20744181

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{4493}}^1$

素因数の和:4527

約数の個数: 24

約数和(自身を含む): 32716320

約数和(自身を除く): 11972139

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 4493, 4617, 13479, 40437, 85367, 121311, 256101, 363933, 768303, 1091799, 2304909, 6914727, 20744181]

約数ペア:

[(1, 20744181), (3, 6914727), (9, 2304909), (19, 1091799), (27, 768303), (57, 363933), (81, 256101), (171, 121311), (243, 85367), (513, 40437), (1539, 13479), (4493, 4617)]