20853651

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{76387}}^1$

素因数の和:76410

約数の個数: 16

約数和(自身を含む): 34221824

約数和(自身を除く): 13368173

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 76387, 229161, 534709, 993031, 1604127, 2979093, 6951217, 20853651]

約数ペア:

[(1, 20853651), (3, 6951217), (7, 2979093), (13, 1604127), (21, 993031), (39, 534709), (91, 229161), (273, 76387)]