20502250

素因数分解:

$2^1\times 5^3\times {\mathrm{82009}}^1$

素因数の和:82026

約数の個数: 16

約数和(自身を含む): 38380680

約数和(自身を除く): 17878430

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 82009, 164018, 410045, 820090, 2050225, 4100450, 10251125, 20502250]

約数ペア:

[(1, 20502250), (2, 10251125), (5, 4100450), (10, 2050225), (25, 820090), (50, 410045), (125, 164018), (250, 82009)]