20427008

素因数分解:

$2^8\times 7^1\times {\mathrm{11399}}^1$

素因数の和:11422

約数の個数: 36

約数和(自身を含む): 46603200

約数和(自身を除く): 26176192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 11399, 22798, 45596, 79793, 91192, 159586, 182384, 319172, 364768, 638344, 729536, 1276688, 1459072, 2553376, 2918144, 5106752, 10213504, 20427008]

約数ペア:

[(1, 20427008), (2, 10213504), (4, 5106752), (7, 2918144), (8, 2553376), (14, 1459072), (16, 1276688), (28, 729536), (32, 638344), (56, 364768), (64, 319172), (112, 182384), (128, 159586), (224, 91192), (256, 79793), (448, 45596), (896, 22798), (1792, 11399)]