20811502

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{21107}}^1$

素因数の和:21155

約数の個数: 16

約数和(自身を含む): 34194960

約数和(自身を除く): 13383458

約数列:

[1, 2, 17, 29, 34, 58, 493, 986, 21107, 42214, 358819, 612103, 717638, 1224206, 10405751, 20811502]

約数ペア:

[(1, 20811502), (2, 10405751), (17, 1224206), (29, 717638), (34, 612103), (58, 358819), (493, 42214), (986, 21107)]