20736317

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^2$

素因数の和:185

約数の個数: 24

約数和(自身を含む): 25835136

約数和(自身を除く): 5098819

約数列:

[1, 7, 23, 37, 59, 161, 259, 413, 851, 1357, 2183, 3481, 5957, 9499, 15281, 24367, 50209, 80063, 128797, 351463, 560441, 901579, 2962331, 20736317]

約数ペア:

[(1, 20736317), (7, 2962331), (23, 901579), (37, 560441), (59, 351463), (161, 128797), (259, 80063), (413, 50209), (851, 24367), (1357, 15281), (2183, 9499), (3481, 5957)]