20218745045

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{3449}}^1\times {\mathrm{40429}}^1$

素因数の和:43912

約数の個数: 16

約数和(自身を含む): 25107030000

約数和(自身を除く): 4888284955

約数列:

[1, 5, 29, 145, 3449, 17245, 40429, 100021, 202145, 500105, 1172441, 5862205, 139439621, 697198105, 4043749009, 20218745045]

約数ペア:

[(1, 20218745045), (5, 4043749009), (29, 697198105), (145, 139439621), (3449, 5862205), (17245, 1172441), (40429, 500105), (100021, 202145)]