20782416

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{10069}}^1$

素因数の和:10123

約数の個数: 40

約数和(自身を含む): 54941920

約数和(自身を除く): 34159504

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 10069, 20138, 30207, 40276, 60414, 80552, 120828, 161104, 241656, 432967, 483312, 865934, 1298901, 1731868, 2597802, 3463736, 5195604, 6927472, 10391208, 20782416]

約数ペア:

[(1, 20782416), (2, 10391208), (3, 6927472), (4, 5195604), (6, 3463736), (8, 2597802), (12, 1731868), (16, 1298901), (24, 865934), (43, 483312), (48, 432967), (86, 241656), (129, 161104), (172, 120828), (258, 80552), (344, 60414), (516, 40276), (688, 30207), (1032, 20138), (2064, 10069)]