20805158

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{7219}}^1$

素因数の和:7363

約数の個数: 16

約数和(自身を含む): 34309440

約数和(自身を除く): 13504282

約数列:

[1, 2, 11, 22, 131, 262, 1441, 2882, 7219, 14438, 79409, 158818, 945689, 1891378, 10402579, 20805158]

約数ペア:

[(1, 20805158), (2, 10402579), (11, 1891378), (22, 945689), (131, 158818), (262, 79409), (1441, 14438), (2882, 7219)]