20337850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{467}}^1$

素因数の和:559

約数の個数: 48

約数和(自身を含む): 41434848

約数和(自身を除く): 21096998

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 67, 130, 134, 325, 335, 467, 650, 670, 871, 934, 1675, 1742, 2335, 3350, 4355, 4670, 6071, 8710, 11675, 12142, 21775, 23350, 30355, 31289, 43550, 60710, 62578, 151775, 156445, 303550, 312890, 406757, 782225, 813514, 1564450, 2033785, 4067570, 10168925, 20337850]

約数ペア:

[(1, 20337850), (2, 10168925), (5, 4067570), (10, 2033785), (13, 1564450), (25, 813514), (26, 782225), (50, 406757), (65, 312890), (67, 303550), (130, 156445), (134, 151775), (325, 62578), (335, 60710), (467, 43550), (650, 31289), (670, 30355), (871, 23350), (934, 21775), (1675, 12142), (1742, 11675), (2335, 8710), (3350, 6071), (4355, 4670)]