20497886

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{5531}}^1$

素因数の和:5659

約数の個数: 16

約数和(自身を含む): 32860080

約数和(自身を除く): 12362194

約数列:

[1, 2, 17, 34, 109, 218, 1853, 3706, 5531, 11062, 94027, 188054, 602879, 1205758, 10248943, 20497886]

約数ペア:

[(1, 20497886), (2, 10248943), (17, 1205758), (34, 602879), (109, 188054), (218, 94027), (1853, 11062), (3706, 5531)]