20407764097

素因数分解:

$7^1\times {\mathrm{4241}}^1\times {\mathrm{687431}}^1$

素因数の和:691679

約数の個数: 8

約数和(自身を含む): 23328692352

約数和(自身を除く): 2920928255

約数列:

[1, 7, 4241, 29687, 687431, 4812017, 2915394871, 20407764097]

約数ペア:

[(1, 20407764097), (7, 2915394871), (4241, 4812017), (29687, 687431)]