20512142660

素因数分解:

$2^2\times 5^1\times {\mathrm{5641}}^1\times {\mathrm{181813}}^1$

素因数の和:187463

約数の個数: 24

約数和(自身を含む): 43083372696

約数和(自身を除く): 22571230036

約数列:

[1, 2, 4, 5, 10, 20, 5641, 11282, 22564, 28205, 56410, 112820, 181813, 363626, 727252, 909065, 1818130, 3636260, 1025607133, 2051214266, 4102428532, 5128035665, 10256071330, 20512142660]

約数ペア:

[(1, 20512142660), (2, 10256071330), (4, 5128035665), (5, 4102428532), (10, 2051214266), (20, 1025607133), (5641, 3636260), (11282, 1818130), (22564, 909065), (28205, 727252), (56410, 363626), (112820, 181813)]