20131907872

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{1979}}^1\times {\mathrm{7393}}^1$

素因数の和:9425

約数の個数: 48

約数和(自身を含む): 40582412640

約数和(自身を除く): 20450504768

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 1979, 3958, 7393, 7916, 14786, 15832, 29572, 31664, 59144, 63328, 85097, 118288, 170194, 236576, 317899, 340388, 635798, 680776, 1271596, 1361552, 2543192, 2723104, 5086384, 10172768, 14630747, 29261494, 58522988, 117045976, 234091952, 468183904, 629122121, 1258244242, 2516488484, 5032976968, 10065953936, 20131907872]

約数ペア:

[(1, 20131907872), (2, 10065953936), (4, 5032976968), (8, 2516488484), (16, 1258244242), (32, 629122121), (43, 468183904), (86, 234091952), (172, 117045976), (344, 58522988), (688, 29261494), (1376, 14630747), (1979, 10172768), (3958, 5086384), (7393, 2723104), (7916, 2543192), (14786, 1361552), (15832, 1271596), (29572, 680776), (31664, 635798), (59144, 340388), (63328, 317899), (85097, 236576), (118288, 170194)]