20880134

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{9397}}^1$

素因数の和:9511

約数の個数: 16

約数和(自身を含む): 34509456

約数和(自身を除く): 13629322

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 9397, 18794, 103367, 206734, 949097, 1898194, 10440067, 20880134]

約数ペア:

[(1, 20880134), (2, 10440067), (11, 1898194), (22, 949097), (101, 206734), (202, 103367), (1111, 18794), (2222, 9397)]