20612745

素因数分解:

$3^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{853}}^1$

素因数の和:1046

約数の個数: 32

約数和(自身を含む): 36892800

約数和(自身を除く): 16280055

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 179, 537, 853, 895, 1611, 2559, 2685, 4265, 4833, 7677, 8055, 12795, 23031, 24165, 38385, 115155, 152687, 458061, 763435, 1374183, 2290305, 4122549, 6870915, 20612745]

約数ペア:

[(1, 20612745), (3, 6870915), (5, 4122549), (9, 2290305), (15, 1374183), (27, 763435), (45, 458061), (135, 152687), (179, 115155), (537, 38385), (853, 24165), (895, 23031), (1611, 12795), (2559, 8055), (2685, 7677), (4265, 4833)]