20730256

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{31601}}^1$

素因数の和:31650

約数の個数: 20

約数和(自身を含む): 41145804

約数和(自身を除く): 20415548

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 31601, 63202, 126404, 252808, 505616, 1295641, 2591282, 5182564, 10365128, 20730256]

約数ペア:

[(1, 20730256), (2, 10365128), (4, 5182564), (8, 2591282), (16, 1295641), (41, 505616), (82, 252808), (164, 126404), (328, 63202), (656, 31601)]