20538312

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{709}}^1$

素因数の和:806

約数の個数: 64

約数和(自身を含む): 55209600

約数和(自身を除く): 34671288

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 71, 102, 136, 142, 204, 213, 284, 408, 426, 568, 709, 852, 1207, 1418, 1704, 2127, 2414, 2836, 3621, 4254, 4828, 5672, 7242, 8508, 9656, 12053, 14484, 17016, 24106, 28968, 36159, 48212, 50339, 72318, 96424, 100678, 144636, 151017, 201356, 289272, 302034, 402712, 604068, 855763, 1208136, 1711526, 2567289, 3423052, 5134578, 6846104, 10269156, 20538312]

約数ペア:

[(1, 20538312), (2, 10269156), (3, 6846104), (4, 5134578), (6, 3423052), (8, 2567289), (12, 1711526), (17, 1208136), (24, 855763), (34, 604068), (51, 402712), (68, 302034), (71, 289272), (102, 201356), (136, 151017), (142, 144636), (204, 100678), (213, 96424), (284, 72318), (408, 50339), (426, 48212), (568, 36159), (709, 28968), (852, 24106), (1207, 17016), (1418, 14484), (1704, 12053), (2127, 9656), (2414, 8508), (2836, 7242), (3621, 5672), (4254, 4828)]