20968508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{16433}}^1$

素因数の和:16477

約数の個数: 24

約数和(自身を含む): 41413680

約数和(自身を除く): 20445172

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 319, 638, 1276, 16433, 32866, 65732, 180763, 361526, 476557, 723052, 953114, 1906228, 5242127, 10484254, 20968508]

約数ペア:

[(1, 20968508), (2, 10484254), (4, 5242127), (11, 1906228), (22, 953114), (29, 723052), (44, 476557), (58, 361526), (116, 180763), (319, 65732), (638, 32866), (1276, 16433)]