20286617

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{709}}^1$

素因数の和:824

約数の個数: 16

約数和(自身を含む): 22901760

約数和(自身を除く): 2615143

約数列:

[1, 13, 31, 71, 403, 709, 923, 2201, 9217, 21979, 28613, 50339, 285727, 654407, 1560509, 20286617]

約数ペア:

[(1, 20286617), (13, 1560509), (31, 654407), (71, 285727), (403, 50339), (709, 28613), (923, 21979), (2201, 9217)]