20198199

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{23459}}^1$

素因数の和:23510

約数の個数: 16

約数和(自身を含む): 31530240

約数和(自身を除く): 11332041

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 23459, 70377, 164213, 492639, 961819, 2885457, 6732733, 20198199]

約数ペア:

[(1, 20198199), (3, 6732733), (7, 2885457), (21, 961819), (41, 492639), (123, 164213), (287, 70377), (861, 23459)]