20679543

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{1493}}^1$

素因数の和:1530

約数の個数: 28

約数和(自身を含む): 32658840

約数和(自身を除く): 11979297

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 729, 1493, 1539, 4479, 4617, 13437, 13851, 28367, 40311, 85101, 120933, 255303, 362799, 765909, 1088397, 2297727, 6893181, 20679543]

約数ペア:

[(1, 20679543), (3, 6893181), (9, 2297727), (19, 1088397), (27, 765909), (57, 362799), (81, 255303), (171, 120933), (243, 85101), (513, 40311), (729, 28367), (1493, 13851), (1539, 13437), (4479, 4617)]