20837730984

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{89041}}^1$

素因数の和:89263

約数の個数: 96

約数和(自身を含む): 60904728000

約数和(自身を除く): 40066997016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 199, 294, 392, 398, 588, 597, 796, 1176, 1194, 1393, 1592, 2388, 2786, 4179, 4776, 5572, 8358, 9751, 11144, 16716, 19502, 29253, 33432, 39004, 58506, 78008, 89041, 117012, 178082, 234024, 267123, 356164, 534246, 623287, 712328, 1068492, 1246574, 1869861, 2136984, 2493148, 3739722, 4363009, 4986296, 7479444, 8726018, 13089027, 14958888, 17452036, 17719159, 26178054, 34904072, 35438318, 52356108, 53157477, 70876636, 104712216, 106314954, 124034113, 141753272, 212629908, 248068226, 372102339, 425259816, 496136452, 744204678, 868238791, 992272904, 1488409356, 1736477582, 2604716373, 2976818712, 3472955164, 5209432746, 6945910328, 10418865492, 20837730984]

約数ペア:

[(1, 20837730984), (2, 10418865492), (3, 6945910328), (4, 5209432746), (6, 3472955164), (7, 2976818712), (8, 2604716373), (12, 1736477582), (14, 1488409356), (21, 992272904), (24, 868238791), (28, 744204678), (42, 496136452), (49, 425259816), (56, 372102339), (84, 248068226), (98, 212629908), (147, 141753272), (168, 124034113), (196, 106314954), (199, 104712216), (294, 70876636), (392, 53157477), (398, 52356108), (588, 35438318), (597, 34904072), (796, 26178054), (1176, 17719159), (1194, 17452036), (1393, 14958888), (1592, 13089027), (2388, 8726018), (2786, 7479444), (4179, 4986296), (4776, 4363009), (5572, 3739722), (8358, 2493148), (9751, 2136984), (11144, 1869861), (16716, 1246574), (19502, 1068492), (29253, 712328), (33432, 623287), (39004, 534246), (58506, 356164), (78008, 267123), (89041, 234024), (117012, 178082)]