20648078

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{13219}}^1$

素因数の和:13303

約数の個数: 16

約数和(自身を含む): 34266240

約数和(自身を除く): 13618162

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 13219, 26438, 145409, 290818, 938549, 1877098, 10324039, 20648078]

約数ペア:

[(1, 20648078), (2, 10324039), (11, 1877098), (22, 938549), (71, 290818), (142, 145409), (781, 26438), (1562, 13219)]