20343519

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3329}}^1$

素因数の和:3439

約数の個数: 24

約数和(自身を含む): 33939360

約数和(自身を除く): 13595841

約数列:

[1, 3, 7, 9, 21, 63, 97, 291, 679, 873, 2037, 3329, 6111, 9987, 23303, 29961, 69909, 209727, 322913, 968739, 2260391, 2906217, 6781173, 20343519]

約数ペア:

[(1, 20343519), (3, 6781173), (7, 2906217), (9, 2260391), (21, 968739), (63, 322913), (97, 209727), (291, 69909), (679, 29961), (873, 23303), (2037, 9987), (3329, 6111)]