20927800

素因数分解:

$2^3\times 5^2\times {\mathrm{104639}}^1$

素因数の和:104655

約数の個数: 24

約数和(自身を含む): 48657600

約数和(自身を除く): 27729800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 104639, 209278, 418556, 523195, 837112, 1046390, 2092780, 2615975, 4185560, 5231950, 10463900, 20927800]

約数ペア:

[(1, 20927800), (2, 10463900), (4, 5231950), (5, 4185560), (8, 2615975), (10, 2092780), (20, 1046390), (25, 837112), (40, 523195), (50, 418556), (100, 209278), (200, 104639)]