20808537

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{3109}}^1$

素因数の和:3232

約数の個数: 16

約数和(自身を含む): 29258880

約数和(自身を除く): 8450343

約数列:

[1, 3, 23, 69, 97, 291, 2231, 3109, 6693, 9327, 71507, 214521, 301573, 904719, 6936179, 20808537]

約数ペア:

[(1, 20808537), (3, 6936179), (23, 904719), (69, 301573), (97, 214521), (291, 71507), (2231, 9327), (3109, 6693)]