20916027

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{5153}}^1$

素因数の和:5211

約数の個数: 24

約数和(自身を含む): 33769008

約数和(自身を除く): 12852981

約数列:

[1, 3, 9, 11, 33, 41, 99, 123, 369, 451, 1353, 4059, 5153, 15459, 46377, 56683, 170049, 211273, 510147, 633819, 1901457, 2324003, 6972009, 20916027]

約数ペア:

[(1, 20916027), (3, 6972009), (9, 2324003), (11, 1901457), (33, 633819), (41, 510147), (99, 211273), (123, 170049), (369, 56683), (451, 46377), (1353, 15459), (4059, 5153)]