20157079103

素因数分解:

$7^1\times {\mathrm{113}}^1\times {\mathrm{397}}^1\times {\mathrm{64189}}^1$

素因数の和:64706

約数の個数: 16

約数和(自身を含む): 23299429440

約数和(自身を除く): 3142350337

約数列:

[1, 7, 113, 397, 791, 2779, 44861, 64189, 314027, 449323, 7253357, 25483033, 50773499, 178381231, 2879582729, 20157079103]

約数ペア:

[(1, 20157079103), (7, 2879582729), (113, 178381231), (397, 50773499), (791, 25483033), (2779, 7253357), (44861, 449323), (64189, 314027)]