20824513

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:492

約数の個数: 16

約数和(自身を含む): 22809600

約数和(自身を除く): 1985087

約数列:

[1, 19, 43, 71, 359, 817, 1349, 3053, 6821, 15437, 25489, 58007, 293303, 484291, 1096027, 20824513]

約数ペア:

[(1, 20824513), (19, 1096027), (43, 484291), (71, 293303), (359, 58007), (817, 25489), (1349, 15437), (3053, 6821)]