20780622

素因数分解:

$2^1\times 3^2\times {\mathrm{401}}^1\times {\mathrm{2879}}^1$

素因数の和:3288

約数の個数: 24

約数和(自身を含む): 45152640

約数和(自身を除く): 24372018

約数列:

[1, 2, 3, 6, 9, 18, 401, 802, 1203, 2406, 2879, 3609, 5758, 7218, 8637, 17274, 25911, 51822, 1154479, 2308958, 3463437, 6926874, 10390311, 20780622]

約数ペア:

[(1, 20780622), (2, 10390311), (3, 6926874), (6, 3463437), (9, 2308958), (18, 1154479), (401, 51822), (802, 25911), (1203, 17274), (2406, 8637), (2879, 7218), (3609, 5758)]