16620205

素因数分解:

$5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3187}}^1$

素因数の和:3348

約数の個数: 16

約数和(自身を含む): 22953600

約数和(自身を除く): 6333395

約数列:

[1, 5, 7, 35, 149, 745, 1043, 3187, 5215, 15935, 22309, 111545, 474863, 2374315, 3324041, 16620205]

約数ペア:

[(1, 16620205), (5, 3324041), (7, 2374315), (35, 474863), (149, 111545), (745, 22309), (1043, 15935), (3187, 5215)]