20186964021

素因数分解:

$3^1\times 7^1\times {\mathrm{2657}}^1\times {\mathrm{361793}}^1$

素因数の和:364460

約数の個数: 16

約数和(自身を含む): 30772750464

約数和(自身を除く): 10585786443

約数列:

[1, 3, 7, 21, 2657, 7971, 18599, 55797, 361793, 1085379, 2532551, 7597653, 961284001, 2883852003, 6728988007, 20186964021]

約数ペア:

[(1, 20186964021), (3, 6728988007), (7, 2883852003), (21, 961284001), (2657, 7597653), (7971, 2532551), (18599, 1085379), (55797, 361793)]