20806328

素因数分解:

$2^3\times {\mathrm{1171}}^1\times {\mathrm{2221}}^1$

素因数の和:3398

約数の個数: 16

約数和(自身を含む): 39062760

約数和(自身を除く): 18256432

約数列:

[1, 2, 4, 8, 1171, 2221, 2342, 4442, 4684, 8884, 9368, 17768, 2600791, 5201582, 10403164, 20806328]

約数ペア:

[(1, 20806328), (2, 10403164), (4, 5201582), (8, 2600791), (1171, 17768), (2221, 9368), (2342, 8884), (4442, 4684)]