20426984

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{35963}}^1$

素因数の和:36040

約数の個数: 16

約数和(自身を含む): 38841120

約数和(自身を除く): 18414136

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 35963, 71926, 143852, 287704, 2553373, 5106746, 10213492, 20426984]

約数ペア:

[(1, 20426984), (2, 10213492), (4, 5106746), (8, 2553373), (71, 287704), (142, 143852), (284, 71926), (568, 35963)]