20771020

素因数分解:

$2^2\times 5^1\times {\mathrm{977}}^1\times {\mathrm{1063}}^1$

素因数の和:2049

約数の個数: 24

約数和(自身を含む): 43704864

約数和(自身を除く): 22933844

約数列:

[1, 2, 4, 5, 10, 20, 977, 1063, 1954, 2126, 3908, 4252, 4885, 5315, 9770, 10630, 19540, 21260, 1038551, 2077102, 4154204, 5192755, 10385510, 20771020]

約数ペア:

[(1, 20771020), (2, 10385510), (4, 5192755), (5, 4154204), (10, 2077102), (20, 1038551), (977, 21260), (1063, 19540), (1954, 10630), (2126, 9770), (3908, 5315), (4252, 4885)]