20488239

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{3413}}^1$

素因数の和:3471

約数の個数: 24

約数和(自身を含む): 31955040

約数和(自身を除く): 11466801

約数列:

[1, 3, 9, 23, 29, 69, 87, 207, 261, 667, 2001, 3413, 6003, 10239, 30717, 78499, 98977, 235497, 296931, 706491, 890793, 2276471, 6829413, 20488239]

約数ペア:

[(1, 20488239), (3, 6829413), (9, 2276471), (23, 890793), (29, 706491), (69, 296931), (87, 235497), (207, 98977), (261, 78499), (667, 30717), (2001, 10239), (3413, 6003)]