20512550

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{17837}}^1$

素因数の和:17872

約数の個数: 24

約数和(自身を含む): 39814416

約数和(自身を除く): 19301866

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 575, 1150, 17837, 35674, 89185, 178370, 410251, 445925, 820502, 891850, 2051255, 4102510, 10256275, 20512550]

約数ペア:

[(1, 20512550), (2, 10256275), (5, 4102510), (10, 2051255), (23, 891850), (25, 820502), (46, 445925), (50, 410251), (115, 178370), (230, 89185), (575, 35674), (1150, 17837)]