20585296885

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{529117}}^1$

素因数の和:529404

約数の個数: 16

約数和(自身を含む): 25600845312

約数和(自身を除く): 5015548427

約数列:

[1, 5, 31, 155, 251, 1255, 7781, 38905, 529117, 2645585, 16402627, 82013135, 132808367, 664041835, 4117059377, 20585296885]

約数ペア:

[(1, 20585296885), (5, 4117059377), (31, 664041835), (155, 132808367), (251, 82013135), (1255, 16402627), (7781, 2645585), (38905, 529117)]