20916495

素因数分解:

$3^3\times 5^1\times {\mathrm{154937}}^1$

素因数の和:154951

約数の個数: 16

約数和(自身を含む): 37185120

約数和(自身を除く): 16268625

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 154937, 464811, 774685, 1394433, 2324055, 4183299, 6972165, 20916495]

約数ペア:

[(1, 20916495), (3, 6972165), (5, 4183299), (9, 2324055), (15, 1394433), (27, 774685), (45, 464811), (135, 154937)]