20357918

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{39301}}^1$

素因数の和:39347

約数の個数: 16

約数和(自身を含む): 35843424

約数和(自身を除く): 15485506

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 39301, 78602, 275107, 550214, 1454137, 2908274, 10178959, 20357918]

約数ペア:

[(1, 20357918), (2, 10178959), (7, 2908274), (14, 1454137), (37, 550214), (74, 275107), (259, 78602), (518, 39301)]