20392792

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:752

約数の個数: 64

約数和(自身を含む): 47831040

約数和(自身を除く): 27438248

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 31, 34, 56, 62, 68, 119, 124, 136, 217, 238, 248, 434, 476, 527, 691, 868, 952, 1054, 1382, 1736, 2108, 2764, 3689, 4216, 4837, 5528, 7378, 9674, 11747, 14756, 19348, 21421, 23494, 29512, 38696, 42842, 46988, 82229, 85684, 93976, 149947, 164458, 171368, 299894, 328916, 364157, 599788, 657832, 728314, 1199576, 1456628, 2549099, 2913256, 5098198, 10196396, 20392792]

約数ペア:

[(1, 20392792), (2, 10196396), (4, 5098198), (7, 2913256), (8, 2549099), (14, 1456628), (17, 1199576), (28, 728314), (31, 657832), (34, 599788), (56, 364157), (62, 328916), (68, 299894), (119, 171368), (124, 164458), (136, 149947), (217, 93976), (238, 85684), (248, 82229), (434, 46988), (476, 42842), (527, 38696), (691, 29512), (868, 23494), (952, 21421), (1054, 19348), (1382, 14756), (1736, 11747), (2108, 9674), (2764, 7378), (3689, 5528), (4216, 4837)]