20107774580

素因数分解:

$2^2\times 5^1\times {\mathrm{1005388729}}^1$

素因数の和:1005388738

約数の個数: 12

約数和(自身を含む): 42226326660

約数和(自身を除く): 22118552080

約数列:

[1, 2, 4, 5, 10, 20, 1005388729, 2010777458, 4021554916, 5026943645, 10053887290, 20107774580]

約数ペア:

[(1, 20107774580), (2, 10053887290), (4, 5026943645), (5, 4021554916), (10, 2010777458), (20, 1005388729)]