20717701319

素因数分解:

$7^2\times {\mathrm{503}}^1\times {\mathrm{673}}^1\times {\mathrm{1249}}^1$

素因数の和:2439

約数の個数: 24

約数和(自身を含む): 24203340000

約数和(自身を除く): 3485638681

約数列:

[1, 7, 49, 503, 673, 1249, 3521, 4711, 8743, 24647, 32977, 61201, 338519, 628247, 840577, 2369633, 4397729, 5884039, 16587431, 30784103, 41188273, 422810231, 2959671617, 20717701319]

約数ペア:

[(1, 20717701319), (7, 2959671617), (49, 422810231), (503, 41188273), (673, 30784103), (1249, 16587431), (3521, 5884039), (4711, 4397729), (8743, 2369633), (24647, 840577), (32977, 628247), (61201, 338519)]