20700495

素因数分解:

$3^3\times 5^1\times {\mathrm{153337}}^1$

素因数の和:153351

約数の個数: 16

約数和(自身を含む): 36801120

約数和(自身を除く): 16100625

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 153337, 460011, 766685, 1380033, 2300055, 4140099, 6900165, 20700495]

約数ペア:

[(1, 20700495), (3, 6900165), (5, 4140099), (9, 2300055), (15, 1380033), (27, 766685), (45, 460011), (135, 153337)]