20565567

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4831}}^1$

素因数の和:4891

約数の個数: 24

約数和(自身を含む): 33166848

約数和(自身を除く): 12601281

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 4257, 4831, 14493, 43479, 53141, 159423, 207733, 478269, 623199, 1869597, 2285063, 6855189, 20565567]

約数ペア:

[(1, 20565567), (3, 6855189), (9, 2285063), (11, 1869597), (33, 623199), (43, 478269), (99, 207733), (129, 159423), (387, 53141), (473, 43479), (1419, 14493), (4257, 4831)]