20605100

素因数分解:

$2^2\times 5^2\times {\mathrm{206051}}^1$

素因数の和:206065

約数の個数: 18

約数和(自身を含む): 44713284

約数和(自身を除く): 24108184

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 206051, 412102, 824204, 1030255, 2060510, 4121020, 5151275, 10302550, 20605100]

約数ペア:

[(1, 20605100), (2, 10302550), (4, 5151275), (5, 4121020), (10, 2060510), (20, 1030255), (25, 824204), (50, 412102), (100, 206051)]