20189949820

素因数分解:

$2^2\times 5^1\times {\mathrm{3613}}^1\times {\mathrm{279407}}^1$

素因数の和:283029

約数の個数: 24

約数和(自身を含む): 42410781504

約数和(自身を除く): 22220831684

約数列:

[1, 2, 4, 5, 10, 20, 3613, 7226, 14452, 18065, 36130, 72260, 279407, 558814, 1117628, 1397035, 2794070, 5588140, 1009497491, 2018994982, 4037989964, 5047487455, 10094974910, 20189949820]

約数ペア:

[(1, 20189949820), (2, 10094974910), (4, 5047487455), (5, 4037989964), (10, 2018994982), (20, 1009497491), (3613, 5588140), (7226, 2794070), (14452, 1397035), (18065, 1117628), (36130, 558814), (72260, 279407)]