20170951052

素因数分解:

$2^2\times 7^1\times {\mathrm{720391109}}^1$

素因数の和:720391120

約数の個数: 12

約数和(自身を含む): 40341902160

約数和(自身を除く): 20170951108

約数列:

[1, 2, 4, 7, 14, 28, 720391109, 1440782218, 2881564436, 5042737763, 10085475526, 20170951052]

約数ペア:

[(1, 20170951052), (2, 10085475526), (4, 5042737763), (7, 2881564436), (14, 1440782218), (28, 720391109)]