20780088

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3343}}^1$

素因数の和:3396

約数の個数: 64

約数和(自身を含む): 60994560

約数和(自身を除く): 40214472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 56, 74, 84, 111, 148, 168, 222, 259, 296, 444, 518, 777, 888, 1036, 1554, 2072, 3108, 3343, 6216, 6686, 10029, 13372, 20058, 23401, 26744, 40116, 46802, 70203, 80232, 93604, 123691, 140406, 187208, 247382, 280812, 371073, 494764, 561624, 742146, 865837, 989528, 1484292, 1731674, 2597511, 2968584, 3463348, 5195022, 6926696, 10390044, 20780088]

約数ペア:

[(1, 20780088), (2, 10390044), (3, 6926696), (4, 5195022), (6, 3463348), (7, 2968584), (8, 2597511), (12, 1731674), (14, 1484292), (21, 989528), (24, 865837), (28, 742146), (37, 561624), (42, 494764), (56, 371073), (74, 280812), (84, 247382), (111, 187208), (148, 140406), (168, 123691), (222, 93604), (259, 80232), (296, 70203), (444, 46802), (518, 40116), (777, 26744), (888, 23401), (1036, 20058), (1554, 13372), (2072, 10029), (3108, 6686), (3343, 6216)]