20915262

素因数分解:

$2^1\times 3^2\times {\mathrm{769}}^1\times {\mathrm{1511}}^1$

素因数の和:2288

約数の個数: 24

約数和(自身を含む): 45405360

約数和(自身を除く): 24490098

約数列:

[1, 2, 3, 6, 9, 18, 769, 1511, 1538, 2307, 3022, 4533, 4614, 6921, 9066, 13599, 13842, 27198, 1161959, 2323918, 3485877, 6971754, 10457631, 20915262]

約数ペア:

[(1, 20915262), (2, 10457631), (3, 6971754), (6, 3485877), (9, 2323918), (18, 1161959), (769, 27198), (1511, 13842), (1538, 13599), (2307, 9066), (3022, 6921), (4533, 4614)]