20787576

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{20143}}^1$

素因数の和:20195

約数の個数: 32

約数和(自身を含む): 53180160

約数和(自身を除く): 32392584

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 20143, 40286, 60429, 80572, 120858, 161144, 241716, 483432, 866149, 1732298, 2598447, 3464596, 5196894, 6929192, 10393788, 20787576]

約数ペア:

[(1, 20787576), (2, 10393788), (3, 6929192), (4, 5196894), (6, 3464596), (8, 2598447), (12, 1732298), (24, 866149), (43, 483432), (86, 241716), (129, 161144), (172, 120858), (258, 80572), (344, 60429), (516, 40286), (1032, 20143)]