2019944660

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{246937}}^1$

素因数の和:247355

約数の個数: 24

約数和(自身を含む): 4252272360

約数和(自身を除く): 2232327700

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 246937, 493874, 987748, 1234685, 2469370, 4938740, 100997233, 201994466, 403988932, 504986165, 1009972330, 2019944660]

約数ペア:

[(1, 2019944660), (2, 1009972330), (4, 504986165), (5, 403988932), (10, 201994466), (20, 100997233), (409, 4938740), (818, 2469370), (1636, 1234685), (2045, 987748), (4090, 493874), (8180, 246937)]