20172715245

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{7883}}^1$

素因数の和:8027

約数の個数: 96

約数和(自身を含む): 38225416320

約数和(自身を除く): 18052701075

約数列:

[1, 3, 5, 9, 15, 19, 41, 45, 57, 73, 95, 123, 171, 205, 219, 285, 365, 369, 615, 657, 779, 855, 1095, 1387, 1845, 2337, 2993, 3285, 3895, 4161, 6935, 7011, 7883, 8979, 11685, 12483, 14965, 20805, 23649, 26937, 35055, 39415, 44895, 56867, 62415, 70947, 118245, 134685, 149777, 170601, 284335, 323203, 354735, 449331, 511803, 575459, 748885, 853005, 969609, 1347993, 1616015, 1726377, 2246655, 2559015, 2877295, 2908827, 4848045, 5179131, 6140857, 6739965, 8631885, 10933721, 14544135, 18422571, 23593819, 25895655, 30704285, 32801163, 54668605, 55267713, 70781457, 92112855, 98403489, 117969095, 164005815, 212344371, 276338565, 353907285, 448282561, 492017445, 1061721855, 1344847683, 2241412805, 4034543049, 6724238415, 20172715245]

約数ペア:

[(1, 20172715245), (3, 6724238415), (5, 4034543049), (9, 2241412805), (15, 1344847683), (19, 1061721855), (41, 492017445), (45, 448282561), (57, 353907285), (73, 276338565), (95, 212344371), (123, 164005815), (171, 117969095), (205, 98403489), (219, 92112855), (285, 70781457), (365, 55267713), (369, 54668605), (615, 32801163), (657, 30704285), (779, 25895655), (855, 23593819), (1095, 18422571), (1387, 14544135), (1845, 10933721), (2337, 8631885), (2993, 6739965), (3285, 6140857), (3895, 5179131), (4161, 4848045), (6935, 2908827), (7011, 2877295), (7883, 2559015), (8979, 2246655), (11685, 1726377), (12483, 1616015), (14965, 1347993), (20805, 969609), (23649, 853005), (26937, 748885), (35055, 575459), (39415, 511803), (44895, 449331), (56867, 354735), (62415, 323203), (70947, 284335), (118245, 170601), (134685, 149777)]