20596779

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17207}}^1$

素因数の和:17239

約数の個数: 24

約数和(自身を含む): 35792640

約数和(自身を除く): 15195861

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 17207, 51621, 120449, 154863, 326933, 361347, 980799, 1084041, 2288531, 2942397, 6865593, 20596779]

約数ペア:

[(1, 20596779), (3, 6865593), (7, 2942397), (9, 2288531), (19, 1084041), (21, 980799), (57, 361347), (63, 326933), (133, 154863), (171, 120449), (399, 51621), (1197, 17207)]