1. An information processing apparatus comprising: a processor: to specify a number of users who use a plurality of first information processing apparatuses at a same time, in which at least one of the first information processing apparatuses is external to the information processing apparatus, from information on detection of a face region including a face in a captured image provided from each of the first information processing apparatuses at the information processing apparatus; to set a display region for content and a display region for a captured image in a display screen; and to generate a display image to be displayed in the display region for a captured image, in accordance with the information on the detection, the number of users, and the display region set for a captured image, in which the faces of the respective users are arranged in the display region for a captured image in a horizontal direction, a vertical direction or a matrix, in accordance with the number of users and the display region set for a captured image.