20428836

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{25409}}^1$

素因数の和:25483

約数の個数: 24

約数和(自身を含む): 48380640

約数和(自身を除く): 27951804

約数列:

[1, 2, 3, 4, 6, 12, 67, 134, 201, 268, 402, 804, 25409, 50818, 76227, 101636, 152454, 304908, 1702403, 3404806, 5107209, 6809612, 10214418, 20428836]

約数ペア:

[(1, 20428836), (2, 10214418), (3, 6809612), (4, 5107209), (6, 3404806), (12, 1702403), (67, 304908), (134, 152454), (201, 101636), (268, 76227), (402, 50818), (804, 25409)]