20722879970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{159406769}}^1$

素因数の和:159406789

約数の個数: 16

約数和(自身を含む): 40170506040

約数和(自身を除く): 19447626070

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 159406769, 318813538, 797033845, 1594067690, 2072287997, 4144575994, 10361439985, 20722879970]

約数ペア:

[(1, 20722879970), (2, 10361439985), (5, 4144575994), (10, 2072287997), (13, 1594067690), (26, 797033845), (65, 318813538), (130, 159406769)]