20025260

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{9721}}^1$

素因数の和:9833

約数の個数: 24

約数和(自身を含む): 42465696

約数和(自身を除く): 22440436

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 9721, 19442, 38884, 48605, 97210, 194420, 1001263, 2002526, 4005052, 5006315, 10012630, 20025260]

約数ペア:

[(1, 20025260), (2, 10012630), (4, 5006315), (5, 4005052), (10, 2002526), (20, 1001263), (103, 194420), (206, 97210), (412, 48605), (515, 38884), (1030, 19442), (2060, 9721)]