20045942

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{23473}}^1$

素因数の和:23543

約数の個数: 16

約数和(自身を含む): 34929312

約数和(自身を除く): 14883370

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 23473, 46946, 164311, 328622, 1431853, 2863706, 10022971, 20045942]

約数ペア:

[(1, 20045942), (2, 10022971), (7, 2863706), (14, 1431853), (61, 328622), (122, 164311), (427, 46946), (854, 23473)]