20409435

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8893}}^1$

素因数の和:8924

約数の個数: 32

約数和(自身を含む): 38422080

約数和(自身を除く): 18012645

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 8893, 26679, 44465, 80037, 133395, 151181, 240111, 400185, 453543, 755905, 1200555, 1360629, 2267715, 4081887, 6803145, 20409435]

約数ペア:

[(1, 20409435), (3, 6803145), (5, 4081887), (9, 2267715), (15, 1360629), (17, 1200555), (27, 755905), (45, 453543), (51, 400185), (85, 240111), (135, 151181), (153, 133395), (255, 80037), (459, 44465), (765, 26679), (2295, 8893)]