20169695

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{457}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 30162048

約数和(自身を除く): 9992353

約数列:

[1, 5, 7, 13, 35, 65, 91, 97, 455, 457, 485, 679, 1261, 2285, 3199, 3395, 5941, 6305, 8827, 15995, 29705, 41587, 44135, 44329, 207935, 221645, 310303, 576277, 1551515, 2881385, 4033939, 20169695]

約数ペア:

[(1, 20169695), (5, 4033939), (7, 2881385), (13, 1551515), (35, 576277), (65, 310303), (91, 221645), (97, 207935), (455, 44329), (457, 44135), (485, 41587), (679, 29705), (1261, 15995), (2285, 8827), (3199, 6305), (3395, 5941)]