20228220680

素因数分解:

$2^3\times 5^1\times {\mathrm{505705517}}^1$

素因数の和:505705528

約数の個数: 16

約数和(自身を含む): 45513496620

約数和(自身を除く): 25285275940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 505705517, 1011411034, 2022822068, 2528527585, 4045644136, 5057055170, 10114110340, 20228220680]

約数ペア:

[(1, 20228220680), (2, 10114110340), (4, 5057055170), (5, 4045644136), (8, 2528527585), (10, 2022822068), (20, 1011411034), (40, 505705517)]