20573816

素因数分解:

$2^3\times {\mathrm{1571}}^1\times {\mathrm{1637}}^1$

素因数の和:3214

約数の個数: 16

約数和(自身を含む): 38624040

約数和(自身を除く): 18050224

約数列:

[1, 2, 4, 8, 1571, 1637, 3142, 3274, 6284, 6548, 12568, 13096, 2571727, 5143454, 10286908, 20573816]

約数ペア:

[(1, 20573816), (2, 10286908), (4, 5143454), (8, 2571727), (1571, 13096), (1637, 12568), (3142, 6548), (3274, 6284)]