20692550

素因数分解:

$2^1\times 5^2\times {\mathrm{557}}^1\times {\mathrm{743}}^1$

素因数の和:1312

約数の個数: 24

約数和(自身を含む): 38609136

約数和(自身を除く): 17916586

約数列:

[1, 2, 5, 10, 25, 50, 557, 743, 1114, 1486, 2785, 3715, 5570, 7430, 13925, 18575, 27850, 37150, 413851, 827702, 2069255, 4138510, 10346275, 20692550]

約数ペア:

[(1, 20692550), (2, 10346275), (5, 4138510), (10, 2069255), (25, 827702), (50, 413851), (557, 37150), (743, 27850), (1114, 18575), (1486, 13925), (2785, 7430), (3715, 5570)]