20245437

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:318

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 10858563

約数列:

[1, 3, 9, 27, 59, 71, 177, 179, 213, 531, 537, 639, 1593, 1611, 1917, 4189, 4833, 10561, 12567, 12709, 31683, 37701, 38127, 95049, 113103, 114381, 285147, 343143, 749831, 2249493, 6748479, 20245437]

約数ペア:

[(1, 20245437), (3, 6748479), (9, 2249493), (27, 749831), (59, 343143), (71, 285147), (177, 114381), (179, 113103), (213, 95049), (531, 38127), (537, 37701), (639, 31683), (1593, 12709), (1611, 12567), (1917, 10561), (4189, 4833)]