20123701916

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{63682601}}^1$

素因数の和:63682684

約数の個数: 12

約数和(自身を含む): 35662257120

約数和(自身を除く): 15538555204

約数列:

[1, 2, 4, 79, 158, 316, 63682601, 127365202, 254730404, 5030925479, 10061850958, 20123701916]

約数ペア:

[(1, 20123701916), (2, 10061850958), (4, 5030925479), (79, 254730404), (158, 127365202), (316, 63682601)]