20512497894

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{607}}^1\times {\mathrm{839}}^1$

素因数の和:1602

約数の個数: 96

約数和(自身を含む): 48207882240

約数和(自身を除く): 27695384346

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 137, 147, 274, 294, 411, 607, 822, 839, 959, 1214, 1678, 1821, 1918, 2517, 2877, 3642, 4249, 5034, 5754, 5873, 6713, 8498, 11746, 12747, 13426, 17619, 20139, 25494, 29743, 35238, 40278, 41111, 59486, 82222, 83159, 89229, 114943, 123333, 166318, 178458, 229886, 246666, 249477, 344829, 498954, 509273, 582113, 689658, 804601, 1018546, 1164226, 1527819, 1609202, 1746339, 2413803, 3055638, 3492678, 3564911, 4074791, 4827606, 5632207, 7129822, 8149582, 10694733, 11264414, 12224373, 16896621, 21389466, 24448746, 24954377, 33793242, 49908754, 69770401, 74863131, 139540802, 149726262, 209311203, 418622406, 488392807, 976785614, 1465178421, 2930356842, 3418749649, 6837499298, 10256248947, 20512497894]

約数ペア:

[(1, 20512497894), (2, 10256248947), (3, 6837499298), (6, 3418749649), (7, 2930356842), (14, 1465178421), (21, 976785614), (42, 488392807), (49, 418622406), (98, 209311203), (137, 149726262), (147, 139540802), (274, 74863131), (294, 69770401), (411, 49908754), (607, 33793242), (822, 24954377), (839, 24448746), (959, 21389466), (1214, 16896621), (1678, 12224373), (1821, 11264414), (1918, 10694733), (2517, 8149582), (2877, 7129822), (3642, 5632207), (4249, 4827606), (5034, 4074791), (5754, 3564911), (5873, 3492678), (6713, 3055638), (8498, 2413803), (11746, 1746339), (12747, 1609202), (13426, 1527819), (17619, 1164226), (20139, 1018546), (25494, 804601), (29743, 689658), (35238, 582113), (40278, 509273), (41111, 498954), (59486, 344829), (82222, 249477), (83159, 246666), (89229, 229886), (114943, 178458), (123333, 166318)]