20149490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{69481}}^1$

素因数の和:69517

約数の個数: 16

約数和(自身を含む): 37520280

約数和(自身を除く): 17370790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 69481, 138962, 347405, 694810, 2014949, 4029898, 10074745, 20149490]

約数ペア:

[(1, 20149490), (2, 10074745), (5, 4029898), (10, 2014949), (29, 694810), (58, 347405), (145, 138962), (290, 69481)]