20163684820

素因数分解:

$2^2\times 5^1\times {\mathrm{1033}}^1\times {\mathrm{975977}}^1$

素因数の和:977019

約数の個数: 24

約数和(自身を含む): 42384772584

約数和(自身を除く): 22221087764

約数列:

[1, 2, 4, 5, 10, 20, 1033, 2066, 4132, 5165, 10330, 20660, 975977, 1951954, 3903908, 4879885, 9759770, 19519540, 1008184241, 2016368482, 4032736964, 5040921205, 10081842410, 20163684820]

約数ペア:

[(1, 20163684820), (2, 10081842410), (4, 5040921205), (5, 4032736964), (10, 2016368482), (20, 1008184241), (1033, 19519540), (2066, 9759770), (4132, 4879885), (5165, 3903908), (10330, 1951954), (20660, 975977)]