20008870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{285841}}^1$

素因数の和:285855

約数の個数: 16

約数和(自身を含む): 41161248

約数和(自身を除く): 21152378

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 285841, 571682, 1429205, 2000887, 2858410, 4001774, 10004435, 20008870]

約数ペア:

[(1, 20008870), (2, 10004435), (5, 4001774), (7, 2858410), (10, 2000887), (14, 1429205), (35, 571682), (70, 285841)]