20277369

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{8699}}^1$

素因数の和:8749

約数の個数: 24

約数和(自身を含む): 34382400

約数和(自身を除く): 14105031

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 8699, 26097, 60893, 78291, 182679, 321863, 548037, 965589, 2253041, 2896767, 6759123, 20277369]

約数ペア:

[(1, 20277369), (3, 6759123), (7, 2896767), (9, 2253041), (21, 965589), (37, 548037), (63, 321863), (111, 182679), (259, 78291), (333, 60893), (777, 26097), (2331, 8699)]