20186980780

素因数分解:

$2^2\times 5^1\times {\mathrm{4649}}^1\times {\mathrm{217111}}^1$

素因数の和:221769

約数の個数: 24

約数和(自身を含む): 42401973600

約数和(自身を除く): 22214992820

約数列:

[1, 2, 4, 5, 10, 20, 4649, 9298, 18596, 23245, 46490, 92980, 217111, 434222, 868444, 1085555, 2171110, 4342220, 1009349039, 2018698078, 4037396156, 5046745195, 10093490390, 20186980780]

約数ペア:

[(1, 20186980780), (2, 10093490390), (4, 5046745195), (5, 4037396156), (10, 2018698078), (20, 1009349039), (4649, 4342220), (9298, 2171110), (18596, 1085555), (23245, 868444), (46490, 434222), (92980, 217111)]