20776015

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{1069}}^1$

素因数の和:1123

約数の個数: 24

約数和(自身を含む): 28196640

約数和(自身を除く): 7420625

約数列:

[1, 5, 13, 23, 65, 115, 169, 299, 845, 1069, 1495, 3887, 5345, 13897, 19435, 24587, 69485, 122935, 180661, 319631, 903305, 1598155, 4155203, 20776015]

約数ペア:

[(1, 20776015), (5, 4155203), (13, 1598155), (23, 903305), (65, 319631), (115, 180661), (169, 122935), (299, 69485), (845, 24587), (1069, 19435), (1495, 13897), (3887, 5345)]