20347655

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:706

約数の個数: 16

約数和(自身を含む): 25030944

約数和(自身を除く): 4683289

約数列:

[1, 5, 73, 107, 365, 521, 535, 2605, 7811, 38033, 39055, 55747, 190165, 278735, 4069531, 20347655]

約数ペア:

[(1, 20347655), (5, 4069531), (73, 278735), (107, 190165), (365, 55747), (521, 39055), (535, 38033), (2605, 7811)]