20126021615

素因数分解:

$5^1\times 7^2\times {\mathrm{82147027}}^1$

素因数の和:82147046

約数の個数: 12

約数和(自身を含む): 28094283576

約数和(自身を除く): 7968261961

約数列:

[1, 5, 7, 35, 49, 245, 82147027, 410735135, 575029189, 2875145945, 4025204323, 20126021615]

約数ペア:

[(1, 20126021615), (5, 4025204323), (7, 2875145945), (35, 575029189), (49, 410735135), (245, 82147027)]