20121369611

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{560437}}^1$

素因数の和:560690

約数の個数: 16

約数和(自身を含む): 24103317504

約数和(自身を除く): 3981947893

約数列:

[1, 7, 23, 161, 223, 1561, 5129, 35903, 560437, 3923059, 12890051, 90230357, 124977451, 874842157, 2874481373, 20121369611]

約数ペア:

[(1, 20121369611), (7, 2874481373), (23, 874842157), (161, 124977451), (223, 90230357), (1561, 12890051), (5129, 3923059), (35903, 560437)]