20651950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37549}}^1$

素因数の和:37572

約数の個数: 24

約数和(自身を含む): 41905800

約数和(自身を除く): 21253850

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 37549, 75098, 187745, 375490, 413039, 826078, 938725, 1877450, 2065195, 4130390, 10325975, 20651950]

約数ペア:

[(1, 20651950), (2, 10325975), (5, 4130390), (10, 2065195), (11, 1877450), (22, 938725), (25, 826078), (50, 413039), (55, 375490), (110, 187745), (275, 75098), (550, 37549)]