20652771

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{4327}}^1$

素因数の和:4410

約数の個数: 16

約数和(自身を含む): 28945664

約数和(自身を除く): 8292893

約数列:

[1, 3, 37, 43, 111, 129, 1591, 4327, 4773, 12981, 160099, 186061, 480297, 558183, 6884257, 20652771]

約数ペア:

[(1, 20652771), (3, 6884257), (37, 558183), (43, 480297), (111, 186061), (129, 160099), (1591, 12981), (4327, 4773)]