20371312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2647}}^1$

素因数の和:2705

約数の個数: 40

約数和(自身を含む): 43670816

約数和(自身を除く): 23299504

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 296, 481, 592, 962, 1924, 2647, 3848, 5294, 7696, 10588, 21176, 34411, 42352, 68822, 97939, 137644, 195878, 275288, 391756, 550576, 783512, 1273207, 1567024, 2546414, 5092828, 10185656, 20371312]

約数ペア:

[(1, 20371312), (2, 10185656), (4, 5092828), (8, 2546414), (13, 1567024), (16, 1273207), (26, 783512), (37, 550576), (52, 391756), (74, 275288), (104, 195878), (148, 137644), (208, 97939), (296, 68822), (481, 42352), (592, 34411), (962, 21176), (1924, 10588), (2647, 7696), (3848, 5294)]