20809334

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2659}}^1$

素因数の和:2724

約数の個数: 32

約数和(自身を含む): 39325440

約数和(自身を除く): 18516106

約数列:

[1, 2, 7, 13, 14, 26, 43, 86, 91, 182, 301, 559, 602, 1118, 2659, 3913, 5318, 7826, 18613, 34567, 37226, 69134, 114337, 228674, 241969, 483938, 800359, 1486381, 1600718, 2972762, 10404667, 20809334]

約数ペア:

[(1, 20809334), (2, 10404667), (7, 2972762), (13, 1600718), (14, 1486381), (26, 800359), (43, 483938), (86, 241969), (91, 228674), (182, 114337), (301, 69134), (559, 37226), (602, 34567), (1118, 18613), (2659, 7826), (3913, 5318)]