20872707

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1\times {\mathrm{811}}^1$

素因数の和:1210

約数の個数: 16

約数和(自身を含む): 29154048

約数和(自身を除く): 8281341

約数列:

[1, 3, 23, 69, 373, 811, 1119, 2433, 8579, 18653, 25737, 55959, 302503, 907509, 6957569, 20872707]

約数ペア:

[(1, 20872707), (3, 6957569), (23, 907509), (69, 302503), (373, 55959), (811, 25737), (1119, 18653), (2433, 8579)]