20066879

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{1103}}^1$

素因数の和:1246

約数の個数: 16

約数和(自身を含む): 24164352

約数和(自身を除く): 4097473

約数列:

[1, 7, 23, 113, 161, 791, 1103, 2599, 7721, 18193, 25369, 124639, 177583, 872473, 2866697, 20066879]

約数ペア:

[(1, 20066879), (7, 2866697), (23, 872473), (113, 177583), (161, 124639), (791, 25369), (1103, 18193), (2599, 7721)]