20120996

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1031}}^1$

素因数の和:1100

約数の個数: 48

約数和(自身を含む): 43690752

約数和(自身を除く): 23569756

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 41, 68, 82, 119, 164, 238, 287, 476, 574, 697, 1031, 1148, 1394, 2062, 2788, 4124, 4879, 7217, 9758, 14434, 17527, 19516, 28868, 35054, 42271, 70108, 84542, 122689, 169084, 245378, 295897, 490756, 591794, 718607, 1183588, 1437214, 2874428, 5030249, 10060498, 20120996]

約数ペア:

[(1, 20120996), (2, 10060498), (4, 5030249), (7, 2874428), (14, 1437214), (17, 1183588), (28, 718607), (34, 591794), (41, 490756), (68, 295897), (82, 245378), (119, 169084), (164, 122689), (238, 84542), (287, 70108), (476, 42271), (574, 35054), (697, 28868), (1031, 19516), (1148, 17527), (1394, 14434), (2062, 9758), (2788, 7217), (4124, 4879)]