20806384

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{5441}}^1$

素因数の和:5688

約数の個数: 20

約数和(自身を含む): 40488480

約数和(自身を除く): 19682096

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 5441, 10882, 21764, 43528, 87056, 1300399, 2600798, 5201596, 10403192, 20806384]

約数ペア:

[(1, 20806384), (2, 10403192), (4, 5201596), (8, 2600798), (16, 1300399), (239, 87056), (478, 43528), (956, 21764), (1912, 10882), (3824, 5441)]