20350881

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1951}}^1$

素因数の和:2037

約数の個数: 24

約数和(自身を含む): 31466240

約数和(自身を除く): 11115359

約数列:

[1, 3, 9, 19, 57, 61, 171, 183, 549, 1159, 1951, 3477, 5853, 10431, 17559, 37069, 111207, 119011, 333621, 357033, 1071099, 2261209, 6783627, 20350881]

約数ペア:

[(1, 20350881), (3, 6783627), (9, 2261209), (19, 1071099), (57, 357033), (61, 333621), (171, 119011), (183, 111207), (549, 37069), (1159, 17559), (1951, 10431), (3477, 5853)]