20804216

素因数分解:

$2^3\times {\mathrm{601}}^1\times {\mathrm{4327}}^1$

素因数の和:4934

約数の個数: 16

約数和(自身を含む): 39081840

約数和(自身を除く): 18277624

約数列:

[1, 2, 4, 8, 601, 1202, 2404, 4327, 4808, 8654, 17308, 34616, 2600527, 5201054, 10402108, 20804216]

約数ペア:

[(1, 20804216), (2, 10402108), (4, 5201054), (8, 2600527), (601, 34616), (1202, 17308), (2404, 8654), (4327, 4808)]