20196297

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1193}}^1$

素因数の和:1235

約数の個数: 40

約数和(自身を含む): 34673760

約数和(自身を除く): 14477463

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 81, 99, 171, 209, 297, 513, 627, 891, 1193, 1539, 1881, 3579, 5643, 10737, 13123, 16929, 22667, 32211, 39369, 68001, 96633, 118107, 204003, 249337, 354321, 612009, 748011, 1062963, 1836027, 2244033, 6732099, 20196297]

約数ペア:

[(1, 20196297), (3, 6732099), (9, 2244033), (11, 1836027), (19, 1062963), (27, 748011), (33, 612009), (57, 354321), (81, 249337), (99, 204003), (171, 118107), (209, 96633), (297, 68001), (513, 39369), (627, 32211), (891, 22667), (1193, 16929), (1539, 13123), (1881, 10737), (3579, 5643)]