20795949

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{233}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 30955392

約数和(自身を除く): 10159443

約数列:

[1, 3, 9, 47, 141, 211, 233, 423, 633, 699, 1899, 2097, 9917, 10951, 29751, 32853, 49163, 89253, 98559, 147489, 442467, 2310661, 6931983, 20795949]

約数ペア:

[(1, 20795949), (3, 6931983), (9, 2310661), (47, 442467), (141, 147489), (211, 98559), (233, 89253), (423, 49163), (633, 32853), (699, 29751), (1899, 10951), (2097, 9917)]