20277249

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1\times {\mathrm{349}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 27518400

約数和(自身を除く): 7241151

約数列:

[1, 3, 107, 181, 321, 349, 543, 1047, 19367, 37343, 58101, 63169, 112029, 189507, 6759083, 20277249]

約数ペア:

[(1, 20277249), (3, 6759083), (107, 189507), (181, 112029), (321, 63169), (349, 58101), (543, 37343), (1047, 19367)]