20661356691

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{45013849}}^1$

素因数の和:45013875

約数の個数: 16

約数和(自身を含む): 32409972000

約数和(自身を除く): 11748615309

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 45013849, 135041547, 405124641, 765235433, 1215373923, 2295706299, 6887118897, 20661356691]

約数ペア:

[(1, 20661356691), (3, 6887118897), (9, 2295706299), (17, 1215373923), (27, 765235433), (51, 405124641), (153, 135041547), (459, 45013849)]