2090780

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{977}}^1$

素因数の和:1093

約数の個数: 24

約数和(自身を含む): 4436208

約数和(自身を除く): 2345428

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 977, 1070, 1954, 2140, 3908, 4885, 9770, 19540, 104539, 209078, 418156, 522695, 1045390, 2090780]

約数ペア:

[(1, 2090780), (2, 1045390), (4, 522695), (5, 418156), (10, 209078), (20, 104539), (107, 19540), (214, 9770), (428, 4885), (535, 3908), (977, 2140), (1070, 1954)]