20676980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{24043}}^1$

素因数の和:24095

約数の個数: 24

約数和(自身を含む): 44433312

約数和(自身を除く): 23756332

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 24043, 48086, 96172, 120215, 240430, 480860, 1033849, 2067698, 4135396, 5169245, 10338490, 20676980]

約数ペア:

[(1, 20676980), (2, 10338490), (4, 5169245), (5, 4135396), (10, 2067698), (20, 1033849), (43, 480860), (86, 240430), (172, 120215), (215, 96172), (430, 48086), (860, 24043)]