9987620

素因数分解:

$2^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{887}}^1$

素因数の和:1459

約数の個数: 24

約数和(自身を含む): 21034944

約数和(自身を除く): 11047324

約数列:

[1, 2, 4, 5, 10, 20, 563, 887, 1126, 1774, 2252, 2815, 3548, 4435, 5630, 8870, 11260, 17740, 499381, 998762, 1997524, 2496905, 4993810, 9987620]

約数ペア:

[(1, 9987620), (2, 4993810), (4, 2496905), (5, 1997524), (10, 998762), (20, 499381), (563, 17740), (887, 11260), (1126, 8870), (1774, 5630), (2252, 4435), (2815, 3548)]