20522728

素因数分解:

$2^3\times {\mathrm{661}}^1\times {\mathrm{3881}}^1$

素因数の和:4548

約数の個数: 16

約数和(自身を含む): 38548260

約数和(自身を除く): 18025532

約数列:

[1, 2, 4, 8, 661, 1322, 2644, 3881, 5288, 7762, 15524, 31048, 2565341, 5130682, 10261364, 20522728]

約数ペア:

[(1, 20522728), (2, 10261364), (4, 5130682), (8, 2565341), (661, 31048), (1322, 15524), (2644, 7762), (3881, 5288)]