20160687155

素因数分解:

$5^1\times 7^2\times {\mathrm{82288519}}^1$

素因数の和:82288538

約数の個数: 12

約数和(自身を含む): 28142673840

約数和(自身を除く): 7981986685

約数列:

[1, 5, 7, 35, 49, 245, 82288519, 411442595, 576019633, 2880098165, 4032137431, 20160687155]

約数ペア:

[(1, 20160687155), (5, 4032137431), (7, 2880098165), (35, 576019633), (49, 411442595), (245, 82288519)]