20402144

素因数分解:

$2^5\times 7^1\times {\mathrm{91081}}^1$

素因数の和:91098

約数の個数: 24

約数和(自身を含む): 45905328

約数和(自身を除く): 25503184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 91081, 182162, 364324, 637567, 728648, 1275134, 1457296, 2550268, 2914592, 5100536, 10201072, 20402144]

約数ペア:

[(1, 20402144), (2, 10201072), (4, 5100536), (7, 2914592), (8, 2550268), (14, 1457296), (16, 1275134), (28, 728648), (32, 637567), (56, 364324), (112, 182162), (224, 91081)]