20172972131

素因数分解:

${\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{827}}^1$

素因数の和:1020

約数の個数: 48

約数和(自身を含む): 23215901184

約数和(自身を除く): 3042929053

約数列:

[1, 13, 37, 47, 83, 169, 481, 611, 827, 1079, 1739, 3071, 3901, 6253, 7943, 10751, 14027, 22607, 30599, 38869, 39923, 50713, 68641, 139763, 144337, 293891, 397787, 505297, 518999, 659269, 892333, 1438153, 1876381, 2539717, 3226127, 5171231, 6568861, 11600329, 18695989, 24392953, 33016321, 41939651, 119366699, 243047857, 429212173, 545215463, 1551767087, 20172972131]

約数ペア:

[(1, 20172972131), (13, 1551767087), (37, 545215463), (47, 429212173), (83, 243047857), (169, 119366699), (481, 41939651), (611, 33016321), (827, 24392953), (1079, 18695989), (1739, 11600329), (3071, 6568861), (3901, 5171231), (6253, 3226127), (7943, 2539717), (10751, 1876381), (14027, 1438153), (22607, 892333), (30599, 659269), (38869, 518999), (39923, 505297), (50713, 397787), (68641, 293891), (139763, 144337)]