20647169568

素因数分解:

$2^5\times 3^7\times {\mathrm{31}}^2\times {\mathrm{307}}^1$

素因数の和:400

約数の個数: 288

約数和(自身を含む): 63199604160

約数和(自身を除く): 42552434592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 72, 81, 93, 96, 108, 124, 144, 162, 186, 216, 243, 248, 279, 288, 307, 324, 372, 432, 486, 496, 558, 614, 648, 729, 744, 837, 864, 921, 961, 972, 992, 1116, 1228, 1296, 1458, 1488, 1674, 1842, 1922, 1944, 2187, 2232, 2456, 2511, 2592, 2763, 2883, 2916, 2976, 3348, 3684, 3844, 3888, 4374, 4464, 4912, 5022, 5526, 5766, 5832, 6696, 7368, 7533, 7688, 7776, 8289, 8649, 8748, 8928, 9517, 9824, 10044, 11052, 11532, 11664, 13392, 14736, 15066, 15376, 16578, 17298, 17496, 19034, 20088, 22104, 22599, 23064, 23328, 24867, 25947, 26784, 28551, 29472, 30132, 30752, 33156, 34596, 34992, 38068, 40176, 44208, 45198, 46128, 49734, 51894, 57102, 60264, 66312, 67797, 69192, 69984, 74601, 76136, 77841, 80352, 85653, 88416, 90396, 92256, 99468, 103788, 114204, 120528, 132624, 135594, 138384, 149202, 152272, 155682, 171306, 180792, 198936, 207576, 223803, 228408, 233523, 241056, 256959, 265248, 271188, 276768, 295027, 298404, 304544, 311364, 342612, 361584, 397872, 415152, 447606, 456816, 467046, 513918, 542376, 590054, 596808, 622728, 671409, 685224, 700569, 723168, 770877, 795744, 830304, 885081, 895212, 913632, 934092, 1027836, 1084752, 1180108, 1193616, 1245456, 1342818, 1370448, 1401138, 1541754, 1770162, 1790424, 1868184, 2055672, 2101707, 2169504, 2312631, 2360216, 2387232, 2490912, 2655243, 2685636, 2740896, 2802276, 3083508, 3540324, 3580848, 3736368, 4111344, 4203414, 4625262, 4720432, 5310486, 5371272, 5604552, 6167016, 6937893, 7080648, 7161696, 7472736, 7965729, 8222688, 8406828, 9250524, 9440864, 10620972, 10742544, 11209104, 12334032, 13875786, 14161296, 15931458, 16813656, 18501048, 20813679, 21241944, 21485088, 22418208, 23897187, 24668064, 27751572, 28322592, 31862916, 33627312, 37002096, 41627358, 42483888, 47794374, 55503144, 63725832, 67254624, 71691561, 74004192, 83254716, 84967776, 95588748, 111006288, 127451664, 143383122, 166509432, 191177496, 215074683, 222012576, 254903328, 286766244, 333018864, 382354992, 430149366, 573532488, 645224049, 666037728, 764709984, 860298732, 1147064976, 1290448098, 1720597464, 2294129952, 2580896196, 3441194928, 5161792392, 6882389856, 10323584784, 20647169568]

約数ペア:

[(1, 20647169568), (2, 10323584784), (3, 6882389856), (4, 5161792392), (6, 3441194928), (8, 2580896196), (9, 2294129952), (12, 1720597464), (16, 1290448098), (18, 1147064976), (24, 860298732), (27, 764709984), (31, 666037728), (32, 645224049), (36, 573532488), (48, 430149366), (54, 382354992), (62, 333018864), (72, 286766244), (81, 254903328), (93, 222012576), (96, 215074683), (108, 191177496), (124, 166509432), (144, 143383122), (162, 127451664), (186, 111006288), (216, 95588748), (243, 84967776), (248, 83254716), (279, 74004192), (288, 71691561), (307, 67254624), (324, 63725832), (372, 55503144), (432, 47794374), (486, 42483888), (496, 41627358), (558, 37002096), (614, 33627312), (648, 31862916), (729, 28322592), (744, 27751572), (837, 24668064), (864, 23897187), (921, 22418208), (961, 21485088), (972, 21241944), (992, 20813679), (1116, 18501048), (1228, 16813656), (1296, 15931458), (1458, 14161296), (1488, 13875786), (1674, 12334032), (1842, 11209104), (1922, 10742544), (1944, 10620972), (2187, 9440864), (2232, 9250524), (2456, 8406828), (2511, 8222688), (2592, 7965729), (2763, 7472736), (2883, 7161696), (2916, 7080648), (2976, 6937893), (3348, 6167016), (3684, 5604552), (3844, 5371272), (3888, 5310486), (4374, 4720432), (4464, 4625262), (4912, 4203414), (5022, 4111344), (5526, 3736368), (5766, 3580848), (5832, 3540324), (6696, 3083508), (7368, 2802276), (7533, 2740896), (7688, 2685636), (7776, 2655243), (8289, 2490912), (8649, 2387232), (8748, 2360216), (8928, 2312631), (9517, 2169504), (9824, 2101707), (10044, 2055672), (11052, 1868184), (11532, 1790424), (11664, 1770162), (13392, 1541754), (14736, 1401138), (15066, 1370448), (15376, 1342818), (16578, 1245456), (17298, 1193616), (17496, 1180108), (19034, 1084752), (20088, 1027836), (22104, 934092), (22599, 913632), (23064, 895212), (23328, 885081), (24867, 830304), (25947, 795744), (26784, 770877), (28551, 723168), (29472, 700569), (30132, 685224), (30752, 671409), (33156, 622728), (34596, 596808), (34992, 590054), (38068, 542376), (40176, 513918), (44208, 467046), (45198, 456816), (46128, 447606), (49734, 415152), (51894, 397872), (57102, 361584), (60264, 342612), (66312, 311364), (67797, 304544), (69192, 298404), (69984, 295027), (74601, 276768), (76136, 271188), (77841, 265248), (80352, 256959), (85653, 241056), (88416, 233523), (90396, 228408), (92256, 223803), (99468, 207576), (103788, 198936), (114204, 180792), (120528, 171306), (132624, 155682), (135594, 152272), (138384, 149202)]