20582505

素因数分解:

$3^4\times 5^1\times {\mathrm{50821}}^1$

素因数の和:50838

約数の個数: 20

約数和(自身を含む): 36896772

約数和(自身を除く): 16314267

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 50821, 152463, 254105, 457389, 762315, 1372167, 2286945, 4116501, 6860835, 20582505]

約数ペア:

[(1, 20582505), (3, 6860835), (5, 4116501), (9, 2286945), (15, 1372167), (27, 762315), (45, 457389), (81, 254105), (135, 152463), (405, 50821)]