20780976

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{11701}}^1$

素因数の和:11749

約数の個数: 40

約数和(自身を含む): 55139824

約数和(自身を除く): 34358848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 444, 592, 888, 1776, 11701, 23402, 35103, 46804, 70206, 93608, 140412, 187216, 280824, 432937, 561648, 865874, 1298811, 1731748, 2597622, 3463496, 5195244, 6926992, 10390488, 20780976]

約数ペア:

[(1, 20780976), (2, 10390488), (3, 6926992), (4, 5195244), (6, 3463496), (8, 2597622), (12, 1731748), (16, 1298811), (24, 865874), (37, 561648), (48, 432937), (74, 280824), (111, 187216), (148, 140412), (222, 93608), (296, 70206), (444, 46804), (592, 35103), (888, 23402), (1776, 11701)]