20843199

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6143}}^1$

素因数の和:6191

約数の個数: 24

約数和(自身を含む): 33546240

約数和(自身を除く): 12703041

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 6143, 18429, 55287, 79859, 178147, 239577, 534441, 718731, 1603323, 2315911, 6947733, 20843199]

約数ペア:

[(1, 20843199), (3, 6947733), (9, 2315911), (13, 1603323), (29, 718731), (39, 534441), (87, 239577), (117, 178147), (261, 79859), (377, 55287), (1131, 18429), (3393, 6143)]