20628608256

素因数分解:

$2^8\times 3^5\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:644

約数の個数: 432

約数和(自身を含む): 67140003840

約数和(自身を除く): 46511395584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 31, 32, 36, 38, 48, 54, 57, 62, 64, 72, 76, 81, 93, 96, 108, 114, 124, 128, 144, 152, 162, 171, 186, 192, 216, 228, 243, 248, 256, 279, 288, 304, 324, 342, 372, 384, 432, 456, 486, 496, 513, 558, 563, 576, 589, 608, 648, 684, 744, 768, 837, 864, 912, 972, 992, 1026, 1116, 1126, 1152, 1178, 1216, 1296, 1368, 1488, 1539, 1674, 1689, 1728, 1767, 1824, 1944, 1984, 2052, 2232, 2252, 2304, 2356, 2432, 2511, 2592, 2736, 2976, 3078, 3348, 3378, 3456, 3534, 3648, 3888, 3968, 4104, 4464, 4504, 4617, 4712, 4864, 5022, 5067, 5184, 5301, 5472, 5952, 6156, 6696, 6756, 6912, 7068, 7296, 7533, 7776, 7936, 8208, 8928, 9008, 9234, 9424, 10044, 10134, 10368, 10602, 10697, 10944, 11904, 12312, 13392, 13512, 14136, 14592, 15066, 15201, 15552, 15903, 16416, 17453, 17856, 18016, 18468, 18848, 20088, 20268, 20736, 21204, 21394, 21888, 23808, 24624, 26784, 27024, 28272, 30132, 30402, 31104, 31806, 32091, 32832, 34906, 35712, 36032, 36936, 37696, 40176, 40536, 42408, 42788, 43776, 45603, 47709, 49248, 52359, 53568, 54048, 56544, 60264, 60804, 62208, 63612, 64182, 65664, 69812, 71424, 72064, 73872, 75392, 80352, 81072, 84816, 85576, 91206, 95418, 96273, 98496, 104718, 107136, 108096, 113088, 120528, 121608, 127224, 128364, 131328, 136809, 139624, 143127, 144128, 147744, 150784, 157077, 160704, 162144, 169632, 171152, 182412, 190836, 192546, 196992, 209436, 214272, 216192, 226176, 241056, 243216, 254448, 256728, 273618, 279248, 286254, 288819, 295488, 314154, 321408, 324288, 331607, 339264, 342304, 364824, 381672, 385092, 393984, 418872, 432384, 452352, 471231, 482112, 486432, 508896, 513456, 547236, 558496, 572508, 577638, 590976, 628308, 642816, 648576, 663214, 678528, 684608, 729648, 763344, 770184, 837744, 866457, 942462, 964224, 972864, 994821, 1017792, 1026912, 1094472, 1116992, 1145016, 1155276, 1181952, 1256616, 1297152, 1326428, 1357056, 1369216, 1413693, 1459296, 1526688, 1540368, 1675488, 1732914, 1884924, 1928448, 1945728, 1989642, 2035584, 2053824, 2188944, 2233984, 2290032, 2310552, 2513232, 2599371, 2652856, 2738432, 2827386, 2918592, 2984463, 3053376, 3080736, 3350976, 3465828, 3769848, 3891456, 3979284, 4071168, 4107648, 4241079, 4377888, 4467968, 4580064, 4621104, 5026464, 5198742, 5305712, 5654772, 5837184, 5968926, 6106752, 6161472, 6701952, 6931656, 7539696, 7958568, 8215296, 8482158, 8755776, 8953389, 9160128, 9242208, 10052928, 10397484, 10611424, 11309544, 11674368, 11937852, 12213504, 12322944, 13403904, 13863312, 15079392, 15917136, 16964316, 17511552, 17906778, 18320256, 18484416, 20105856, 20794968, 21222848, 22619088, 23875704, 24645888, 26860167, 27726624, 30158784, 31834272, 33928632, 35023104, 35813556, 36640512, 36968832, 40211712, 41589936, 42445696, 45238176, 47751408, 53720334, 55453248, 60317568, 63668544, 67857264, 71627112, 73937664, 80580501, 83179872, 84891392, 90476352, 95502816, 107440668, 110906496, 120635136, 127337088, 135714528, 143254224, 161161002, 166359744, 180952704, 191005632, 214881336, 221812992, 254674176, 271429056, 286508448, 322322004, 332719488, 361905408, 382011264, 429762672, 542858112, 573016896, 644644008, 665438976, 764022528, 859525344, 1085716224, 1146033792, 1289288016, 1719050688, 2292067584, 2578576032, 3438101376, 5157152064, 6876202752, 10314304128, 20628608256]

約数ペア:

[(1, 20628608256), (2, 10314304128), (3, 6876202752), (4, 5157152064), (6, 3438101376), (8, 2578576032), (9, 2292067584), (12, 1719050688), (16, 1289288016), (18, 1146033792), (19, 1085716224), (24, 859525344), (27, 764022528), (31, 665438976), (32, 644644008), (36, 573016896), (38, 542858112), (48, 429762672), (54, 382011264), (57, 361905408), (62, 332719488), (64, 322322004), (72, 286508448), (76, 271429056), (81, 254674176), (93, 221812992), (96, 214881336), (108, 191005632), (114, 180952704), (124, 166359744), (128, 161161002), (144, 143254224), (152, 135714528), (162, 127337088), (171, 120635136), (186, 110906496), (192, 107440668), (216, 95502816), (228, 90476352), (243, 84891392), (248, 83179872), (256, 80580501), (279, 73937664), (288, 71627112), (304, 67857264), (324, 63668544), (342, 60317568), (372, 55453248), (384, 53720334), (432, 47751408), (456, 45238176), (486, 42445696), (496, 41589936), (513, 40211712), (558, 36968832), (563, 36640512), (576, 35813556), (589, 35023104), (608, 33928632), (648, 31834272), (684, 30158784), (744, 27726624), (768, 26860167), (837, 24645888), (864, 23875704), (912, 22619088), (972, 21222848), (992, 20794968), (1026, 20105856), (1116, 18484416), (1126, 18320256), (1152, 17906778), (1178, 17511552), (1216, 16964316), (1296, 15917136), (1368, 15079392), (1488, 13863312), (1539, 13403904), (1674, 12322944), (1689, 12213504), (1728, 11937852), (1767, 11674368), (1824, 11309544), (1944, 10611424), (1984, 10397484), (2052, 10052928), (2232, 9242208), (2252, 9160128), (2304, 8953389), (2356, 8755776), (2432, 8482158), (2511, 8215296), (2592, 7958568), (2736, 7539696), (2976, 6931656), (3078, 6701952), (3348, 6161472), (3378, 6106752), (3456, 5968926), (3534, 5837184), (3648, 5654772), (3888, 5305712), (3968, 5198742), (4104, 5026464), (4464, 4621104), (4504, 4580064), (4617, 4467968), (4712, 4377888), (4864, 4241079), (5022, 4107648), (5067, 4071168), (5184, 3979284), (5301, 3891456), (5472, 3769848), (5952, 3465828), (6156, 3350976), (6696, 3080736), (6756, 3053376), (6912, 2984463), (7068, 2918592), (7296, 2827386), (7533, 2738432), (7776, 2652856), (7936, 2599371), (8208, 2513232), (8928, 2310552), (9008, 2290032), (9234, 2233984), (9424, 2188944), (10044, 2053824), (10134, 2035584), (10368, 1989642), (10602, 1945728), (10697, 1928448), (10944, 1884924), (11904, 1732914), (12312, 1675488), (13392, 1540368), (13512, 1526688), (14136, 1459296), (14592, 1413693), (15066, 1369216), (15201, 1357056), (15552, 1326428), (15903, 1297152), (16416, 1256616), (17453, 1181952), (17856, 1155276), (18016, 1145016), (18468, 1116992), (18848, 1094472), (20088, 1026912), (20268, 1017792), (20736, 994821), (21204, 972864), (21394, 964224), (21888, 942462), (23808, 866457), (24624, 837744), (26784, 770184), (27024, 763344), (28272, 729648), (30132, 684608), (30402, 678528), (31104, 663214), (31806, 648576), (32091, 642816), (32832, 628308), (34906, 590976), (35712, 577638), (36032, 572508), (36936, 558496), (37696, 547236), (40176, 513456), (40536, 508896), (42408, 486432), (42788, 482112), (43776, 471231), (45603, 452352), (47709, 432384), (49248, 418872), (52359, 393984), (53568, 385092), (54048, 381672), (56544, 364824), (60264, 342304), (60804, 339264), (62208, 331607), (63612, 324288), (64182, 321408), (65664, 314154), (69812, 295488), (71424, 288819), (72064, 286254), (73872, 279248), (75392, 273618), (80352, 256728), (81072, 254448), (84816, 243216), (85576, 241056), (91206, 226176), (95418, 216192), (96273, 214272), (98496, 209436), (104718, 196992), (107136, 192546), (108096, 190836), (113088, 182412), (120528, 171152), (121608, 169632), (127224, 162144), (128364, 160704), (131328, 157077), (136809, 150784), (139624, 147744), (143127, 144128)]