20806467

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 32071680

約数和(自身を除く): 11265213

約数列:

[1, 3, 11, 23, 33, 69, 79, 237, 253, 347, 759, 869, 1041, 1817, 2607, 3817, 5451, 7981, 11451, 19987, 23943, 27413, 59961, 82239, 87791, 263373, 301543, 630499, 904629, 1891497, 6935489, 20806467]

約数ペア:

[(1, 20806467), (3, 6935489), (11, 1891497), (23, 904629), (33, 630499), (69, 301543), (79, 263373), (237, 87791), (253, 82239), (347, 59961), (759, 27413), (869, 23943), (1041, 19987), (1817, 11451), (2607, 7981), (3817, 5451)]