20928444

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{40559}}^1$

素因数の和:40609

約数の個数: 24

約数和(自身を含む): 49969920

約数和(自身を除く): 29041476

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 40559, 81118, 121677, 162236, 243354, 486708, 1744037, 3488074, 5232111, 6976148, 10464222, 20928444]

約数ペア:

[(1, 20928444), (2, 10464222), (3, 6976148), (4, 5232111), (6, 3488074), (12, 1744037), (43, 486708), (86, 243354), (129, 162236), (172, 121677), (258, 81118), (516, 40559)]