20781567381991

素因数分解:

${\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{9067}}^1\times {\mathrm{1745621}}^1$

素因数の和:1754802

約数の個数: 16

約数和(自身を含む): 22604240822688

約数和(自身を除く): 1822673440697

約数列:

[1, 13, 101, 1313, 9067, 117871, 915767, 1745621, 11904971, 22693073, 176307721, 2292000373, 15827545607, 205758092891, 1598582106307, 20781567381991]

約数ペア:

[(1, 20781567381991), (13, 1598582106307), (101, 205758092891), (1313, 15827545607), (9067, 2292000373), (117871, 176307721), (915767, 22693073), (1745621, 11904971)]