20688439

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1061}}^1$

素因数の和:1146

約数の個数: 16

約数和(自身を含む): 23245056

約数和(自身を除く): 2556617

約数列:

[1, 17, 31, 37, 527, 629, 1061, 1147, 18037, 19499, 32891, 39257, 559147, 667369, 1216967, 20688439]

約数ペア:

[(1, 20688439), (17, 1216967), (31, 667369), (37, 559147), (527, 39257), (629, 32891), (1061, 19499), (1147, 18037)]