20545550

素因数分解:

$2^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{6133}}^1$

素因数の和:6212

約数の個数: 24

約数和(自身を含む): 38791416

約数和(自身を除く): 18245866

約数列:

[1, 2, 5, 10, 25, 50, 67, 134, 335, 670, 1675, 3350, 6133, 12266, 30665, 61330, 153325, 306650, 410911, 821822, 2054555, 4109110, 10272775, 20545550]

約数ペア:

[(1, 20545550), (2, 10272775), (5, 4109110), (10, 2054555), (25, 821822), (50, 410911), (67, 306650), (134, 153325), (335, 61330), (670, 30665), (1675, 12266), (3350, 6133)]