20644547

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{11657}}^1$

素因数の和:11698

約数の個数: 16

約数和(自身を含む): 26860032

約数和(自身を除く): 6215485

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 11657, 81599, 128227, 268111, 897589, 1876777, 2949221, 20644547]

約数ペア:

[(1, 20644547), (7, 2949221), (11, 1876777), (23, 897589), (77, 268111), (161, 128227), (253, 81599), (1771, 11657)]