20943916

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{25793}}^1$

素因数の和:25833

約数の個数: 24

約数和(自身を含む): 43333920

約数和(自身を除く): 22390004

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 25793, 51586, 103172, 180551, 361102, 722204, 747997, 1495994, 2991988, 5235979, 10471958, 20943916]

約数ペア:

[(1, 20943916), (2, 10471958), (4, 5235979), (7, 2991988), (14, 1495994), (28, 747997), (29, 722204), (58, 361102), (116, 180551), (203, 103172), (406, 51586), (812, 25793)]