20145408437

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{677}}^1\times {\mathrm{5443}}^1$

素因数の和:6209

約数の個数: 32

約数和(自身を含む): 25512413184

約数和(自身を除く): 5367004747

約数列:

[1, 7, 11, 71, 77, 497, 677, 781, 4739, 5443, 5467, 7447, 38101, 48067, 52129, 59873, 336469, 386453, 419111, 528737, 2705171, 3684911, 3701159, 4250983, 25794377, 29756881, 40534021, 261628681, 283738147, 1831400767, 2877915491, 20145408437]

約数ペア:

[(1, 20145408437), (7, 2877915491), (11, 1831400767), (71, 283738147), (77, 261628681), (497, 40534021), (677, 29756881), (781, 25794377), (4739, 4250983), (5443, 3701159), (5467, 3684911), (7447, 2705171), (38101, 528737), (48067, 419111), (52129, 386453), (59873, 336469)]