202040900

素因数分解:

$2^2\times 5^2\times {\mathrm{2020409}}^1$

素因数の和:2020423

約数の個数: 18

約数和(自身を含む): 438428970

約数和(自身を除く): 236388070

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2020409, 4040818, 8081636, 10102045, 20204090, 40408180, 50510225, 101020450, 202040900]

約数ペア:

[(1, 202040900), (2, 101020450), (4, 50510225), (5, 40408180), (10, 20204090), (20, 10102045), (25, 8081636), (50, 4040818), (100, 2020409)]