20184820

素因数分解:

$2^2\times 5^1\times {\mathrm{977}}^1\times {\mathrm{1033}}^1$

素因数の和:2019

約数の個数: 24

約数和(自身を含む): 42472584

約数和(自身を除く): 22287764

約数列:

[1, 2, 4, 5, 10, 20, 977, 1033, 1954, 2066, 3908, 4132, 4885, 5165, 9770, 10330, 19540, 20660, 1009241, 2018482, 4036964, 5046205, 10092410, 20184820]

約数ペア:

[(1, 20184820), (2, 10092410), (4, 5046205), (5, 4036964), (10, 2018482), (20, 1009241), (977, 20660), (1033, 19540), (1954, 10330), (2066, 9770), (3908, 5165), (4132, 4885)]