20543636

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{270311}}^1$

素因数の和:270334

約数の個数: 12

約数和(自身を含む): 37843680

約数和(自身を除く): 17300044

約数列:

[1, 2, 4, 19, 38, 76, 270311, 540622, 1081244, 5135909, 10271818, 20543636]

約数ペア:

[(1, 20543636), (2, 10271818), (4, 5135909), (19, 1081244), (38, 540622), (76, 270311)]