20120221177

素因数分解:

$7^1\times {\mathrm{541}}^1\times {\mathrm{5312971}}^1$

素因数の和:5313519

約数の個数: 8

約数和(自身を含む): 23037046592

約数和(自身を除く): 2916825415

約数列:

[1, 7, 541, 3787, 5312971, 37190797, 2874317311, 20120221177]

約数ペア:

[(1, 20120221177), (7, 2874317311), (541, 37190797), (3787, 5312971)]