20435468

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{419}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 36514800

約数和(自身を除く): 16079332

約数列:

[1, 2, 4, 89, 137, 178, 274, 356, 419, 548, 838, 1676, 12193, 24386, 37291, 48772, 57403, 74582, 114806, 149164, 229612, 5108867, 10217734, 20435468]

約数ペア:

[(1, 20435468), (2, 10217734), (4, 5108867), (89, 229612), (137, 149164), (178, 114806), (274, 74582), (356, 57403), (419, 48772), (548, 37291), (838, 24386), (1676, 12193)]