20143959

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{211}}^1\times {\mathrm{263}}^1$

素因数の和:499

約数の個数: 24

約数和(自身を含む): 29774976

約数和(自身を除く): 9631017

約数列:

[1, 3, 11, 33, 121, 211, 263, 363, 633, 789, 2321, 2893, 6963, 8679, 25531, 31823, 55493, 76593, 95469, 166479, 610423, 1831269, 6714653, 20143959]

約数ペア:

[(1, 20143959), (3, 6714653), (11, 1831269), (33, 610423), (121, 166479), (211, 95469), (263, 76593), (363, 55493), (633, 31823), (789, 25531), (2321, 8679), (2893, 6963)]