20105252

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2851}}^1$

素因数の和:2939

約数の個数: 24

約数和(自身を含む): 36893472

約数和(自身を除く): 16788220

約数列:

[1, 2, 4, 41, 43, 82, 86, 164, 172, 1763, 2851, 3526, 5702, 7052, 11404, 116891, 122593, 233782, 245186, 467564, 490372, 5026313, 10052626, 20105252]

約数ペア:

[(1, 20105252), (2, 10052626), (4, 5026313), (41, 490372), (43, 467564), (82, 245186), (86, 233782), (164, 122593), (172, 116891), (1763, 11404), (2851, 7052), (3526, 5702)]