20407644

素因数分解:

$2^2\times 3^2\times {\mathrm{566879}}^1$

素因数の和:566889

約数の個数: 18

約数和(自身を含む): 51586080

約数和(自身を除く): 31178436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 566879, 1133758, 1700637, 2267516, 3401274, 5101911, 6802548, 10203822, 20407644]

約数ペア:

[(1, 20407644), (2, 10203822), (3, 6802548), (4, 5101911), (6, 3401274), (9, 2267516), (12, 1700637), (18, 1133758), (36, 566879)]