20187708

素因数分解:

$2^2\times 3^1\times {\mathrm{521}}^1\times {\mathrm{3229}}^1$

素因数の和:3757

約数の個数: 24

約数和(自身を含む): 47209680

約数和(自身を除く): 27021972

約数列:

[1, 2, 3, 4, 6, 12, 521, 1042, 1563, 2084, 3126, 3229, 6252, 6458, 9687, 12916, 19374, 38748, 1682309, 3364618, 5046927, 6729236, 10093854, 20187708]

約数ペア:

[(1, 20187708), (2, 10093854), (3, 6729236), (4, 5046927), (6, 3364618), (12, 1682309), (521, 38748), (1042, 19374), (1563, 12916), (2084, 9687), (3126, 6458), (3229, 6252)]