20512695552

素因数分解:

$2^8\times 3^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1\times {\mathrm{1009}}^1$

素因数の和:1388

約数の個数: 144

約数和(自身を含む): 55393054080

約数和(自身を除く): 34880358528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 103, 128, 192, 206, 256, 257, 309, 384, 412, 514, 618, 768, 771, 824, 1009, 1028, 1236, 1542, 1648, 2018, 2056, 2472, 3027, 3084, 3296, 4036, 4112, 4944, 6054, 6168, 6592, 8072, 8224, 9888, 12108, 12336, 13184, 16144, 16448, 19776, 24216, 24672, 26368, 26471, 32288, 32896, 39552, 48432, 49344, 52942, 64576, 65792, 79104, 79413, 96864, 98688, 103927, 105884, 129152, 158826, 193728, 197376, 207854, 211768, 258304, 259313, 311781, 317652, 387456, 415708, 423536, 518626, 623562, 635304, 774912, 777939, 831416, 847072, 1037252, 1247124, 1270608, 1555878, 1662832, 1694144, 2074504, 2494248, 2541216, 3111756, 3325664, 3388288, 4149008, 4988496, 5082432, 6223512, 6651328, 6776576, 8298016, 9976992, 10164864, 12447024, 13302656, 16596032, 19953984, 20329728, 24894048, 26605312, 26709239, 33192064, 39907968, 49788096, 53418478, 66384128, 79815936, 80127717, 99576192, 106836956, 160255434, 199152384, 213673912, 320510868, 427347824, 641021736, 854695648, 1282043472, 1709391296, 2564086944, 3418782592, 5128173888, 6837565184, 10256347776, 20512695552]

約数ペア:

[(1, 20512695552), (2, 10256347776), (3, 6837565184), (4, 5128173888), (6, 3418782592), (8, 2564086944), (12, 1709391296), (16, 1282043472), (24, 854695648), (32, 641021736), (48, 427347824), (64, 320510868), (96, 213673912), (103, 199152384), (128, 160255434), (192, 106836956), (206, 99576192), (256, 80127717), (257, 79815936), (309, 66384128), (384, 53418478), (412, 49788096), (514, 39907968), (618, 33192064), (768, 26709239), (771, 26605312), (824, 24894048), (1009, 20329728), (1028, 19953984), (1236, 16596032), (1542, 13302656), (1648, 12447024), (2018, 10164864), (2056, 9976992), (2472, 8298016), (3027, 6776576), (3084, 6651328), (3296, 6223512), (4036, 5082432), (4112, 4988496), (4944, 4149008), (6054, 3388288), (6168, 3325664), (6592, 3111756), (8072, 2541216), (8224, 2494248), (9888, 2074504), (12108, 1694144), (12336, 1662832), (13184, 1555878), (16144, 1270608), (16448, 1247124), (19776, 1037252), (24216, 847072), (24672, 831416), (26368, 777939), (26471, 774912), (32288, 635304), (32896, 623562), (39552, 518626), (48432, 423536), (49344, 415708), (52942, 387456), (64576, 317652), (65792, 311781), (79104, 259313), (79413, 258304), (96864, 211768), (98688, 207854), (103927, 197376), (105884, 193728), (129152, 158826)]