20097500

素因数分解:

$2^2\times 5^4\times {\mathrm{8039}}^1$

素因数の和:8063

約数の個数: 30

約数和(自身を含む): 43954680

約数和(自身を除く): 23857180

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 8039, 16078, 32156, 40195, 80390, 160780, 200975, 401950, 803900, 1004875, 2009750, 4019500, 5024375, 10048750, 20097500]

約数ペア:

[(1, 20097500), (2, 10048750), (4, 5024375), (5, 4019500), (10, 2009750), (20, 1004875), (25, 803900), (50, 401950), (100, 200975), (125, 160780), (250, 80390), (500, 40195), (625, 32156), (1250, 16078), (2500, 8039)]