20287774

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{193}}^1\times {\mathrm{311}}^1$

素因数の和:532

約数の個数: 24

約数和(自身を含む): 33229872

約数和(自身を除く): 12942098

約数列:

[1, 2, 13, 26, 169, 193, 311, 338, 386, 622, 2509, 4043, 5018, 8086, 32617, 52559, 60023, 65234, 105118, 120046, 780299, 1560598, 10143887, 20287774]

約数ペア:

[(1, 20287774), (2, 10143887), (13, 1560598), (26, 780299), (169, 120046), (193, 105118), (311, 65234), (338, 60023), (386, 52559), (622, 32617), (2509, 8086), (4043, 5018)]