20671036659

素因数分解:

$3^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{515089}}^1$

素因数の和:515129

約数の個数: 48

約数和(自身を含む): 37498552000

約数和(自身を除く): 16827515341

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 343, 441, 637, 819, 1029, 1911, 3087, 4459, 5733, 13377, 40131, 515089, 1545267, 3605623, 4635801, 6696157, 10816869, 20088471, 25239361, 32450607, 46873099, 60265413, 75718083, 140619297, 176675527, 227154249, 328111693, 421857891, 530026581, 984335079, 1590079743, 2296781851, 2953005237, 6890345553, 20671036659]

約数ペア:

[(1, 20671036659), (3, 6890345553), (7, 2953005237), (9, 2296781851), (13, 1590079743), (21, 984335079), (39, 530026581), (49, 421857891), (63, 328111693), (91, 227154249), (117, 176675527), (147, 140619297), (273, 75718083), (343, 60265413), (441, 46873099), (637, 32450607), (819, 25239361), (1029, 20088471), (1911, 10816869), (3087, 6696157), (4459, 4635801), (5733, 3605623), (13377, 1545267), (40131, 515089)]