20201477989

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{527881}}^1$

素因数の和:527977

約数の個数: 24

約数和(自身を含む): 25997132736

約数和(自身を除く): 5795654747

約数列:

[1, 7, 11, 49, 71, 77, 497, 539, 781, 3479, 5467, 38269, 527881, 3695167, 5806691, 25866169, 37479551, 40646837, 262356857, 284527859, 412275061, 1836497999, 2885925427, 20201477989]

約数ペア:

[(1, 20201477989), (7, 2885925427), (11, 1836497999), (49, 412275061), (71, 284527859), (77, 262356857), (497, 40646837), (539, 37479551), (781, 25866169), (3479, 5806691), (5467, 3695167), (38269, 527881)]