20993651

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{5443}}^1$

素因数の和:5498

約数の個数: 16

約数和(自身を含む): 26131200

約数和(自身を除く): 5137549

約数列:

[1, 7, 19, 29, 133, 203, 551, 3857, 5443, 38101, 103417, 157847, 723919, 1104929, 2999093, 20993651]

約数ペア:

[(1, 20993651), (7, 2999093), (19, 1104929), (29, 723919), (133, 157847), (203, 103417), (551, 38101), (3857, 5443)]