20798701

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{15889}}^1$

素因数の和:15924

約数の個数: 16

約数和(自身を含む): 27457920

約数和(自身を除く): 6659219

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 15889, 111223, 174779, 270113, 1223453, 1890791, 2971243, 20798701]

約数ペア:

[(1, 20798701), (7, 2971243), (11, 1890791), (17, 1223453), (77, 270113), (119, 174779), (187, 111223), (1309, 15889)]