20500965

素因数分解:

$3^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{839}}^1$

素因数の和:1034

約数の個数: 32

約数和(自身を含む): 36691200

約数和(自身を除く): 16190235

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 181, 543, 839, 905, 1629, 2517, 2715, 4195, 4887, 7551, 8145, 12585, 22653, 24435, 37755, 113265, 151859, 455577, 759295, 1366731, 2277885, 4100193, 6833655, 20500965]

約数ペア:

[(1, 20500965), (3, 6833655), (5, 4100193), (9, 2277885), (15, 1366731), (27, 759295), (45, 455577), (135, 151859), (181, 113265), (543, 37755), (839, 24435), (905, 22653), (1629, 12585), (2517, 8145), (2715, 7551), (4195, 4887)]