11987020

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3677}}^1$

素因数の和:3849

約数の個数: 24

約数和(自身を含む): 25334064

約数和(自身を除く): 13347044

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 3677, 7354, 14708, 18385, 36770, 73540, 599351, 1198702, 2397404, 2996755, 5993510, 11987020]

約数ペア:

[(1, 11987020), (2, 5993510), (4, 2996755), (5, 2397404), (10, 1198702), (20, 599351), (163, 73540), (326, 36770), (652, 18385), (815, 14708), (1630, 7354), (3260, 3677)]