20854395

素因数分解:

$3^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{863}}^1$

素因数の和:1056

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 16470405

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 179, 537, 863, 895, 1611, 2589, 2685, 4315, 4833, 7767, 8055, 12945, 23301, 24165, 38835, 116505, 154477, 463431, 772385, 1390293, 2317155, 4170879, 6951465, 20854395]

約数ペア:

[(1, 20854395), (3, 6951465), (5, 4170879), (9, 2317155), (15, 1390293), (27, 772385), (45, 463431), (135, 154477), (179, 116505), (537, 38835), (863, 24165), (895, 23301), (1611, 12945), (2589, 8055), (2685, 7767), (4315, 4833)]