20003307

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{2213}}^1$

素因数の和:2370

約数の個数: 16

約数和(自身を含む): 28055808

約数和(自身を除く): 8052501

約数列:

[1, 3, 23, 69, 131, 393, 2213, 3013, 6639, 9039, 50899, 152697, 289903, 869709, 6667769, 20003307]

約数ペア:

[(1, 20003307), (3, 6667769), (23, 869709), (69, 289903), (131, 152697), (393, 50899), (2213, 9039), (3013, 6639)]