16805260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19541}}^1$

素因数の和:19593

約数の個数: 24

約数和(自身を含む): 36113616

約数和(自身を除く): 19308356

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 19541, 39082, 78164, 97705, 195410, 390820, 840263, 1680526, 3361052, 4201315, 8402630, 16805260]

約数ペア:

[(1, 16805260), (2, 8402630), (4, 4201315), (5, 3361052), (10, 1680526), (20, 840263), (43, 390820), (86, 195410), (172, 97705), (215, 78164), (430, 39082), (860, 19541)]