22657420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{27631}}^1$

素因数の和:27681

約数の個数: 24

約数和(自身を含む): 48742848

約数和(自身を除く): 26085428

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 27631, 55262, 110524, 138155, 276310, 552620, 1132871, 2265742, 4531484, 5664355, 11328710, 22657420]

約数ペア:

[(1, 22657420), (2, 11328710), (4, 5664355), (5, 4531484), (10, 2265742), (20, 1132871), (41, 552620), (82, 276310), (164, 138155), (205, 110524), (410, 55262), (820, 27631)]