20835508

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:531

約数の個数: 24

約数和(自身を含む): 37105992

約数和(自身を除く): 16270484

約数列:

[1, 2, 4, 137, 193, 197, 274, 386, 394, 548, 772, 788, 26441, 26989, 38021, 52882, 53978, 76042, 105764, 107956, 152084, 5208877, 10417754, 20835508]

約数ペア:

[(1, 20835508), (2, 10417754), (4, 5208877), (137, 152084), (193, 107956), (197, 105764), (274, 76042), (386, 53978), (394, 52882), (548, 38021), (772, 26989), (788, 26441)]