20780727

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{15359}}^1$

素因数の和:15414

約数の個数: 16

約数和(自身を含む): 30965760

約数和(自身を除く): 10185033

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 15359, 46077, 168949, 506847, 629719, 1889157, 6926909, 20780727]

約数ペア:

[(1, 20780727), (3, 6926909), (11, 1889157), (33, 629719), (41, 506847), (123, 168949), (451, 46077), (1353, 15359)]