20788309441

素因数分解:

${\mathrm{103}}^1\times {\mathrm{307}}^1\times {\mathrm{503}}^1\times {\mathrm{1307}}^1$

素因数の和:2220

約数の個数: 16

約数和(自身を含む): 21116519424

約数和(自身を除く): 328209983

約数列:

[1, 103, 307, 503, 1307, 31621, 51809, 134621, 154421, 401249, 657421, 15905363, 41328647, 67714363, 201828247, 20788309441]

約数ペア:

[(1, 20788309441), (103, 201828247), (307, 67714363), (503, 41328647), (1307, 15905363), (31621, 657421), (51809, 401249), (134621, 154421)]