20408518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{27067}}^1$

素因数の和:27111

約数の個数: 16

約数和(自身を含む): 34105680

約数和(自身を除く): 13697162

約数列:

[1, 2, 13, 26, 29, 58, 377, 754, 27067, 54134, 351871, 703742, 784943, 1569886, 10204259, 20408518]

約数ペア:

[(1, 20408518), (2, 10204259), (13, 1569886), (26, 784943), (29, 703742), (58, 351871), (377, 54134), (754, 27067)]