20143071

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1609}}^1$

素因数の和:1735

約数の個数: 24

約数和(自身を含む): 31646160

約数和(自身を除く): 11503089

約数列:

[1, 3, 9, 13, 39, 107, 117, 321, 963, 1391, 1609, 4173, 4827, 12519, 14481, 20917, 62751, 172163, 188253, 516489, 1549467, 2238119, 6714357, 20143071]

約数ペア:

[(1, 20143071), (3, 6714357), (9, 2238119), (13, 1549467), (39, 516489), (107, 188253), (117, 172163), (321, 62751), (963, 20917), (1391, 14481), (1609, 12519), (4173, 4827)]