20075619

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{2221}}^1$

素因数の和:2378

約数の個数: 16

約数和(自身を含む): 28157184

約数和(自身を除く): 8081565

約数列:

[1, 3, 23, 69, 131, 393, 2221, 3013, 6663, 9039, 51083, 153249, 290951, 872853, 6691873, 20075619]

約数ペア:

[(1, 20075619), (3, 6691873), (23, 872853), (69, 290951), (131, 153249), (393, 51083), (2221, 9039), (3013, 6663)]