20702786

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{19421}}^1$

素因数の和:19477

約数の個数: 16

約数和(自身を含む): 34260408

約数和(自身を除く): 13557622

約数列:

[1, 2, 13, 26, 41, 82, 533, 1066, 19421, 38842, 252473, 504946, 796261, 1592522, 10351393, 20702786]

約数ペア:

[(1, 20702786), (2, 10351393), (13, 1592522), (26, 796261), (41, 504946), (82, 252473), (533, 38842), (1066, 19421)]