20656681344

素因数分解:

$2^7\times 3^3\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1789}}^1$

素因数の和:2082

約数の個数: 256

約数和(自身を含む): 65947896000

約数和(自身を除く): 45291214656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 96, 104, 108, 117, 128, 144, 156, 192, 208, 216, 234, 257, 288, 312, 351, 384, 416, 432, 468, 514, 576, 624, 702, 771, 832, 864, 936, 1028, 1152, 1248, 1404, 1542, 1664, 1728, 1789, 1872, 2056, 2313, 2496, 2808, 3084, 3341, 3456, 3578, 3744, 4112, 4626, 4992, 5367, 5616, 6168, 6682, 6939, 7156, 7488, 8224, 9252, 10023, 10734, 11232, 12336, 13364, 13878, 14312, 14976, 16101, 16448, 18504, 20046, 21468, 22464, 23257, 24672, 26728, 27756, 28624, 30069, 32202, 32896, 37008, 40092, 42936, 44928, 46514, 48303, 49344, 53456, 55512, 57248, 60138, 64404, 69771, 74016, 80184, 85872, 90207, 93028, 96606, 98688, 106912, 111024, 114496, 120276, 128808, 139542, 148032, 160368, 171744, 180414, 186056, 193212, 209313, 213824, 222048, 228992, 240552, 257616, 279084, 296064, 320736, 343488, 360828, 372112, 386424, 418626, 427648, 444096, 459773, 481104, 515232, 558168, 627939, 641472, 686976, 721656, 744224, 772848, 837252, 888192, 919546, 962208, 1030464, 1116336, 1255878, 1282944, 1379319, 1443312, 1488448, 1545696, 1674504, 1839092, 1924416, 2060928, 2232672, 2511756, 2758638, 2886624, 2976896, 3091392, 3349008, 3678184, 3848832, 4137957, 4465344, 5023512, 5517276, 5773248, 5977049, 6182784, 6698016, 7356368, 8275914, 8930688, 10047024, 11034552, 11546496, 11954098, 12413871, 13396032, 14712736, 16551828, 17931147, 20094048, 22069104, 23908196, 24827742, 26792064, 29425472, 33103656, 35862294, 40188096, 44138208, 47816392, 49655484, 53793441, 58850944, 66207312, 71724588, 80376192, 88276416, 95632784, 99310968, 107586882, 132414624, 143449176, 161380323, 176552832, 191265568, 198621936, 215173764, 264829248, 286898352, 322760646, 382531136, 397243872, 430347528, 529658496, 573796704, 645521292, 765062272, 794487744, 860695056, 1147593408, 1291042584, 1588975488, 1721390112, 2295186816, 2582085168, 3442780224, 5164170336, 6885560448, 10328340672, 20656681344]

約数ペア:

[(1, 20656681344), (2, 10328340672), (3, 6885560448), (4, 5164170336), (6, 3442780224), (8, 2582085168), (9, 2295186816), (12, 1721390112), (13, 1588975488), (16, 1291042584), (18, 1147593408), (24, 860695056), (26, 794487744), (27, 765062272), (32, 645521292), (36, 573796704), (39, 529658496), (48, 430347528), (52, 397243872), (54, 382531136), (64, 322760646), (72, 286898352), (78, 264829248), (96, 215173764), (104, 198621936), (108, 191265568), (117, 176552832), (128, 161380323), (144, 143449176), (156, 132414624), (192, 107586882), (208, 99310968), (216, 95632784), (234, 88276416), (257, 80376192), (288, 71724588), (312, 66207312), (351, 58850944), (384, 53793441), (416, 49655484), (432, 47816392), (468, 44138208), (514, 40188096), (576, 35862294), (624, 33103656), (702, 29425472), (771, 26792064), (832, 24827742), (864, 23908196), (936, 22069104), (1028, 20094048), (1152, 17931147), (1248, 16551828), (1404, 14712736), (1542, 13396032), (1664, 12413871), (1728, 11954098), (1789, 11546496), (1872, 11034552), (2056, 10047024), (2313, 8930688), (2496, 8275914), (2808, 7356368), (3084, 6698016), (3341, 6182784), (3456, 5977049), (3578, 5773248), (3744, 5517276), (4112, 5023512), (4626, 4465344), (4992, 4137957), (5367, 3848832), (5616, 3678184), (6168, 3349008), (6682, 3091392), (6939, 2976896), (7156, 2886624), (7488, 2758638), (8224, 2511756), (9252, 2232672), (10023, 2060928), (10734, 1924416), (11232, 1839092), (12336, 1674504), (13364, 1545696), (13878, 1488448), (14312, 1443312), (14976, 1379319), (16101, 1282944), (16448, 1255878), (18504, 1116336), (20046, 1030464), (21468, 962208), (22464, 919546), (23257, 888192), (24672, 837252), (26728, 772848), (27756, 744224), (28624, 721656), (30069, 686976), (32202, 641472), (32896, 627939), (37008, 558168), (40092, 515232), (42936, 481104), (44928, 459773), (46514, 444096), (48303, 427648), (49344, 418626), (53456, 386424), (55512, 372112), (57248, 360828), (60138, 343488), (64404, 320736), (69771, 296064), (74016, 279084), (80184, 257616), (85872, 240552), (90207, 228992), (93028, 222048), (96606, 213824), (98688, 209313), (106912, 193212), (111024, 186056), (114496, 180414), (120276, 171744), (128808, 160368), (139542, 148032)]