20598020

素因数分解:

$2^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1033}}^1$

素因数の和:2039

約数の個数: 24

約数和(自身を含む): 43341144

約数和(自身を除く): 22743124

約数列:

[1, 2, 4, 5, 10, 20, 997, 1033, 1994, 2066, 3988, 4132, 4985, 5165, 9970, 10330, 19940, 20660, 1029901, 2059802, 4119604, 5149505, 10299010, 20598020]

約数ペア:

[(1, 20598020), (2, 10299010), (4, 5149505), (5, 4119604), (10, 2059802), (20, 1029901), (997, 20660), (1033, 19940), (1994, 10330), (2066, 9970), (3988, 5165), (4132, 4985)]