20999924

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{1723}}^1$

素因数の和:2015

約数の個数: 24

約数和(自身を含む): 40258848

約数和(自身を除く): 19258924

約数列:

[1, 2, 4, 11, 22, 44, 277, 554, 1108, 1723, 3047, 3446, 6094, 6892, 12188, 18953, 37906, 75812, 477271, 954542, 1909084, 5249981, 10499962, 20999924]

約数ペア:

[(1, 20999924), (2, 10499962), (4, 5249981), (11, 1909084), (22, 954542), (44, 477271), (277, 75812), (554, 37906), (1108, 18953), (1723, 12188), (3047, 6892), (3446, 6094)]