20704442

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{9137}}^1$

素因数の和:9253

約数の個数: 16

約数和(自身を含む): 34212672

約数和(自身を除く): 13508230

約数列:

[1, 2, 11, 22, 103, 206, 1133, 2266, 9137, 18274, 100507, 201014, 941111, 1882222, 10352221, 20704442]

約数ペア:

[(1, 20704442), (2, 10352221), (11, 1882222), (22, 941111), (103, 201014), (206, 100507), (1133, 18274), (2266, 9137)]