20080145660

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3207691}}^1$

素因数の和:3208013

約数の個数: 24

約数和(自身を含む): 42303042096

約数和(自身を除く): 22222896436

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 3207691, 6415382, 12830764, 16038455, 32076910, 64153820, 1004007283, 2008014566, 4016029132, 5020036415, 10040072830, 20080145660]

約数ペア:

[(1, 20080145660), (2, 10040072830), (4, 5020036415), (5, 4016029132), (10, 2008014566), (20, 1004007283), (313, 64153820), (626, 32076910), (1252, 16038455), (1565, 12830764), (3130, 6415382), (6260, 3207691)]