20249268

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{129803}}^1$

素因数の和:129823

約数の個数: 24

約数和(自身を含む): 50883168

約数和(自身を除く): 30633900

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 129803, 259606, 389409, 519212, 778818, 1557636, 1687439, 3374878, 5062317, 6749756, 10124634, 20249268]

約数ペア:

[(1, 20249268), (2, 10124634), (3, 6749756), (4, 5062317), (6, 3374878), (12, 1687439), (13, 1557636), (26, 778818), (39, 519212), (52, 389409), (78, 259606), (156, 129803)]