20391333984

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{257}}^1\times {\mathrm{4373}}^1$

素因数の和:4659

約数の個数: 240

約数和(自身を含む): 68819956128

約数和(自身を除く): 48428622144

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 72, 81, 84, 96, 108, 112, 126, 144, 162, 168, 189, 216, 224, 252, 257, 288, 324, 336, 378, 432, 504, 514, 567, 648, 672, 756, 771, 864, 1008, 1028, 1134, 1296, 1512, 1542, 1799, 2016, 2056, 2268, 2313, 2592, 3024, 3084, 3598, 4112, 4373, 4536, 4626, 5397, 6048, 6168, 6939, 7196, 8224, 8746, 9072, 9252, 10794, 12336, 13119, 13878, 14392, 16191, 17492, 18144, 18504, 20817, 21588, 24672, 26238, 27756, 28784, 30611, 32382, 34984, 37008, 39357, 41634, 43176, 48573, 52476, 55512, 57568, 61222, 64764, 69968, 74016, 78714, 83268, 86352, 91833, 97146, 104952, 111024, 118071, 122444, 129528, 139936, 145719, 157428, 166536, 172704, 183666, 194292, 209904, 222048, 236142, 244888, 259056, 275499, 291438, 314856, 333072, 354213, 367332, 388584, 419808, 472284, 489776, 518112, 550998, 582876, 629712, 666144, 708426, 734664, 777168, 826497, 944568, 979552, 1101996, 1123861, 1165752, 1259424, 1416852, 1469328, 1554336, 1652994, 1889136, 2203992, 2247722, 2331504, 2479491, 2833704, 2938656, 3305988, 3371583, 3778272, 4407984, 4495444, 4663008, 4958982, 5667408, 6611976, 6743166, 7867027, 8815968, 8990888, 9917964, 10114749, 11334816, 13223952, 13486332, 15734054, 17981776, 19835928, 20229498, 23601081, 26447904, 26972664, 30344247, 31468108, 35963552, 39671856, 40458996, 47202162, 53945328, 60688494, 62936216, 70803243, 79343712, 80917992, 91032741, 94404324, 107890656, 121376988, 125872432, 141606486, 161835984, 182065482, 188808648, 212409729, 242753976, 251744864, 283212972, 323671968, 364130964, 377617296, 424819458, 485507952, 566425944, 637229187, 728261928, 755234592, 849638916, 971015904, 1132851888, 1274458374, 1456523856, 1699277832, 2265703776, 2548916748, 2913047712, 3398555664, 5097833496, 6797111328, 10195666992, 20391333984]

約数ペア:

[(1, 20391333984), (2, 10195666992), (3, 6797111328), (4, 5097833496), (6, 3398555664), (7, 2913047712), (8, 2548916748), (9, 2265703776), (12, 1699277832), (14, 1456523856), (16, 1274458374), (18, 1132851888), (21, 971015904), (24, 849638916), (27, 755234592), (28, 728261928), (32, 637229187), (36, 566425944), (42, 485507952), (48, 424819458), (54, 377617296), (56, 364130964), (63, 323671968), (72, 283212972), (81, 251744864), (84, 242753976), (96, 212409729), (108, 188808648), (112, 182065482), (126, 161835984), (144, 141606486), (162, 125872432), (168, 121376988), (189, 107890656), (216, 94404324), (224, 91032741), (252, 80917992), (257, 79343712), (288, 70803243), (324, 62936216), (336, 60688494), (378, 53945328), (432, 47202162), (504, 40458996), (514, 39671856), (567, 35963552), (648, 31468108), (672, 30344247), (756, 26972664), (771, 26447904), (864, 23601081), (1008, 20229498), (1028, 19835928), (1134, 17981776), (1296, 15734054), (1512, 13486332), (1542, 13223952), (1799, 11334816), (2016, 10114749), (2056, 9917964), (2268, 8990888), (2313, 8815968), (2592, 7867027), (3024, 6743166), (3084, 6611976), (3598, 5667408), (4112, 4958982), (4373, 4663008), (4536, 4495444), (4626, 4407984), (5397, 3778272), (6048, 3371583), (6168, 3305988), (6939, 2938656), (7196, 2833704), (8224, 2479491), (8746, 2331504), (9072, 2247722), (9252, 2203992), (10794, 1889136), (12336, 1652994), (13119, 1554336), (13878, 1469328), (14392, 1416852), (16191, 1259424), (17492, 1165752), (18144, 1123861), (18504, 1101996), (20817, 979552), (21588, 944568), (24672, 826497), (26238, 777168), (27756, 734664), (28784, 708426), (30611, 666144), (32382, 629712), (34984, 582876), (37008, 550998), (39357, 518112), (41634, 489776), (43176, 472284), (48573, 419808), (52476, 388584), (55512, 367332), (57568, 354213), (61222, 333072), (64764, 314856), (69968, 291438), (74016, 275499), (78714, 259056), (83268, 244888), (86352, 236142), (91833, 222048), (97146, 209904), (104952, 194292), (111024, 183666), (118071, 172704), (122444, 166536), (129528, 157428), (139936, 145719)]