20554443

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{25097}}^1$

素因数の和:25123

約数の個数: 24

約数和(自身を含む): 36542688

約数和(自身を除く): 15988245

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 25097, 75291, 175679, 225873, 326261, 527037, 978783, 1581111, 2283827, 2936349, 6851481, 20554443]

約数ペア:

[(1, 20554443), (3, 6851481), (7, 2936349), (9, 2283827), (13, 1581111), (21, 978783), (39, 527037), (63, 326261), (91, 225873), (117, 175679), (273, 75291), (819, 25097)]