20214992

素因数分解:

$2^4\times 7^1\times {\mathrm{180491}}^1$

素因数の和:180506

約数の個数: 20

約数和(自身を含む): 44762016

約数和(自身を除く): 24547024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 180491, 360982, 721964, 1263437, 1443928, 2526874, 2887856, 5053748, 10107496, 20214992]

約数ペア:

[(1, 20214992), (2, 10107496), (4, 5053748), (7, 2887856), (8, 2526874), (14, 1443928), (16, 1263437), (28, 721964), (56, 360982), (112, 180491)]