20681000

素因数分解:

$2^3\times 5^3\times {\mathrm{20681}}^1$

素因数の和:20702

約数の個数: 32

約数和(自身を含む): 48395880

約数和(自身を除く): 27714880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 20681, 41362, 82724, 103405, 165448, 206810, 413620, 517025, 827240, 1034050, 2068100, 2585125, 4136200, 5170250, 10340500, 20681000]

約数ペア:

[(1, 20681000), (2, 10340500), (4, 5170250), (5, 4136200), (8, 2585125), (10, 2068100), (20, 1034050), (25, 827240), (40, 517025), (50, 413620), (100, 206810), (125, 165448), (200, 103405), (250, 82724), (500, 41362), (1000, 20681)]