20195661650

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{159209}}^1$

素因数の和:159323

約数の個数: 48

約数和(自身を含む): 39089239200

約数和(自身を除く): 18893577550

約数列:

[1, 2, 5, 10, 25, 43, 50, 59, 86, 118, 215, 295, 430, 590, 1075, 1475, 2150, 2537, 2950, 5074, 12685, 25370, 63425, 126850, 159209, 318418, 796045, 1592090, 3980225, 6845987, 7960450, 9393331, 13691974, 18786662, 34229935, 46966655, 68459870, 93933310, 171149675, 234833275, 342299350, 403913233, 469666550, 807826466, 2019566165, 4039132330, 10097830825, 20195661650]

約数ペア:

[(1, 20195661650), (2, 10097830825), (5, 4039132330), (10, 2019566165), (25, 807826466), (43, 469666550), (50, 403913233), (59, 342299350), (86, 234833275), (118, 171149675), (215, 93933310), (295, 68459870), (430, 46966655), (590, 34229935), (1075, 18786662), (1475, 13691974), (2150, 9393331), (2537, 7960450), (2950, 6845987), (5074, 3980225), (12685, 1592090), (25370, 796045), (63425, 318418), (126850, 159209)]