20723514865

素因数分解:

$5^1\times {\mathrm{139}}^1\times {\mathrm{3877}}^1\times {\mathrm{7691}}^1$

素因数の和:11712

約数の個数: 16

約数和(自身を含む): 25056843840

約数和(自身を除く): 4333328975

約数列:

[1, 5, 139, 695, 3877, 7691, 19385, 38455, 538903, 1069049, 2694515, 5345245, 29818007, 149090035, 4144702973, 20723514865]

約数ペア:

[(1, 20723514865), (5, 4144702973), (139, 149090035), (695, 29818007), (3877, 5345245), (7691, 2694515), (19385, 1069049), (38455, 538903)]