public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int runs = sc . nextInt ( ) ;
  while ( runs -- > 0 ) {
    int size = sc . nextInt ( ) ;
    TreeSet < Integer > arr = new TreeSet < Integer > ( ) ;
    while ( size -- > 0 ) {
      Integer num = sc . nextInt ( ) ;
      if ( num % 2 == 0 ) arr . add ( num ) ;
    }
    long out = 0 ;
    while ( arr . size ( ) > 0 ) {
      Integer temp = arr . pollLast ( ) ;
      temp /= 2 ;
      if ( temp % 2 == 0 ) arr . add ( temp ) ;
      out ++ ;
    }
    System . out . println ( out ) ;
  }
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; int runs = sc . nextInt ( ) ; while ( runs -- > 0 ) { int size = sc . nextInt ( ) ; TreeSet < Integer > arr = new TreeSet < Integer > ( ) ; while ( size -- > 0 ) { Integer num = sc . nextInt ( ) ; if ( num % 2 == 0 ) arr . add ( num ) ; } long out = 0 ; while ( arr . size ( ) > 0 ) { Integer temp = arr . pollLast ( ) ; temp /= 2 ; if ( temp % 2 == 0 ) arr . add ( temp ) ; out ++ ; } System . out . println ( out ) ; } }
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