20906760959

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{857}}^1\times {\mathrm{12143}}^1$

素因数の和:13055

約数の個数: 24

約数和(自身を含む): 24944407488

約数和(自身を除く): 4037646529

約数列:

[1, 7, 41, 49, 287, 857, 2009, 5999, 12143, 35137, 41993, 85001, 245959, 497863, 595007, 1721713, 3485041, 10406551, 24395287, 72845857, 426668591, 509920999, 2986680137, 20906760959]

約数ペア:

[(1, 20906760959), (7, 2986680137), (41, 509920999), (49, 426668591), (287, 72845857), (857, 24395287), (2009, 10406551), (5999, 3485041), (12143, 1721713), (35137, 595007), (41993, 497863), (85001, 245959)]