20854715

素因数分解:

$5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{5273}}^1$

素因数の和:5398

約数の個数: 16

約数和(自身を含む): 28859328

約数和(自身を除く): 8004613

約数列:

[1, 5, 7, 35, 113, 565, 791, 3955, 5273, 26365, 36911, 184555, 595849, 2979245, 4170943, 20854715]

約数ペア:

[(1, 20854715), (5, 4170943), (7, 2979245), (35, 595849), (113, 184555), (565, 36911), (791, 26365), (3955, 5273)]