20472668

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{1153}}^1$

素因数の和:1373

約数の個数: 24

約数和(自身を含む): 37611168

約数和(自身を除く): 17138500

約数列:

[1, 2, 4, 23, 46, 92, 193, 386, 772, 1153, 2306, 4439, 4612, 8878, 17756, 26519, 53038, 106076, 222529, 445058, 890116, 5118167, 10236334, 20472668]

約数ペア:

[(1, 20472668), (2, 10236334), (4, 5118167), (23, 890116), (46, 445058), (92, 222529), (193, 106076), (386, 53038), (772, 26519), (1153, 17756), (2306, 8878), (4439, 4612)]