20806071

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{4409}}^1$

素因数の和:4447

約数の個数: 24

約数和(自身を含む): 32845680

約数和(自身を除く): 12039609

約数列:

[1, 3, 11, 13, 33, 39, 121, 143, 363, 429, 1573, 4409, 4719, 13227, 48499, 57317, 145497, 171951, 533489, 630487, 1600467, 1891461, 6935357, 20806071]

約数ペア:

[(1, 20806071), (3, 6935357), (11, 1891461), (13, 1600467), (33, 630487), (39, 533489), (121, 171951), (143, 145497), (363, 57317), (429, 48499), (1573, 13227), (4409, 4719)]