20321566293

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^2\times {\mathrm{277993}}^1$

素因数の和:278121

約数の個数: 24

約数和(自身を含む): 31500056128

約数和(自身を除く): 11178489835

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 3481, 10443, 24367, 73101, 277993, 833979, 1945951, 5837853, 16401587, 49204761, 114811109, 344433327, 967693633, 2903080899, 6773855431, 20321566293]

約数ペア:

[(1, 20321566293), (3, 6773855431), (7, 2903080899), (21, 967693633), (59, 344433327), (177, 114811109), (413, 49204761), (1239, 16401587), (3481, 5837853), (10443, 1945951), (24367, 833979), (73101, 277993)]