20005777

素因数分解:

${\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{1637}}^1$

素因数の和:1760

約数の個数: 12

約数和(自身を含む): 22221108

約数和(自身を除く): 2215331

約数列:

[1, 11, 101, 121, 1111, 1637, 12221, 18007, 165337, 198077, 1818707, 20005777]

約数ペア:

[(1, 20005777), (11, 1818707), (101, 198077), (121, 165337), (1111, 18007), (1637, 12221)]