20489285664

素因数分解:

$2^5\times 3^7\times {\mathrm{19}}^2\times {\mathrm{811}}^1$

素因数の和:880

約数の個数: 288

約数和(自身を含む): 63928630080

約数和(自身を除く): 43439344416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 72, 76, 81, 96, 108, 114, 144, 152, 162, 171, 216, 228, 243, 288, 304, 324, 342, 361, 432, 456, 486, 513, 608, 648, 684, 722, 729, 811, 864, 912, 972, 1026, 1083, 1296, 1368, 1444, 1458, 1539, 1622, 1824, 1944, 2052, 2166, 2187, 2433, 2592, 2736, 2888, 2916, 3078, 3244, 3249, 3888, 4104, 4332, 4374, 4617, 4866, 5472, 5776, 5832, 6156, 6488, 6498, 7299, 7776, 8208, 8664, 8748, 9234, 9732, 9747, 11552, 11664, 12312, 12976, 12996, 13851, 14598, 15409, 16416, 17328, 17496, 18468, 19464, 19494, 21897, 23328, 24624, 25952, 25992, 27702, 29196, 29241, 30818, 34656, 34992, 36936, 38928, 38988, 41553, 43794, 46227, 49248, 51984, 55404, 58392, 58482, 61636, 65691, 69984, 73872, 77856, 77976, 83106, 87588, 87723, 92454, 103968, 110808, 116784, 116964, 123272, 131382, 138681, 147744, 155952, 166212, 175176, 175446, 184908, 197073, 221616, 233568, 233928, 246544, 262764, 263169, 277362, 292771, 311904, 332424, 350352, 350892, 369816, 394146, 416043, 443232, 467856, 493088, 525528, 526338, 554724, 585542, 591219, 664848, 700704, 701784, 739632, 788292, 789507, 832086, 878313, 935712, 1051056, 1052676, 1109448, 1171084, 1182438, 1248129, 1329696, 1403568, 1479264, 1576584, 1579014, 1664172, 1756626, 1773657, 2102112, 2105352, 2218896, 2342168, 2364876, 2496258, 2634939, 2807136, 3153168, 3158028, 3328344, 3513252, 3547314, 3744387, 4210704, 4437792, 4684336, 4729752, 4992516, 5269878, 6306336, 6316056, 6656688, 7026504, 7094628, 7488774, 7904817, 8421408, 9368672, 9459504, 9985032, 10539756, 11233161, 12632112, 13313376, 14053008, 14189256, 14977548, 15809634, 18919008, 19970064, 21079512, 22466322, 23714451, 25264224, 28106016, 28378512, 29955096, 31619268, 33699483, 39940128, 42159024, 44932644, 47428902, 56757024, 59910192, 63238536, 67398966, 71143353, 84318048, 89865288, 94857804, 119820384, 126477072, 134797932, 142286706, 179730576, 189715608, 213430059, 252954144, 269595864, 284573412, 359461152, 379431216, 426860118, 539191728, 569146824, 640290177, 758862432, 853720236, 1078383456, 1138293648, 1280580354, 1707440472, 2276587296, 2561160708, 3414880944, 5122321416, 6829761888, 10244642832, 20489285664]

約数ペア:

[(1, 20489285664), (2, 10244642832), (3, 6829761888), (4, 5122321416), (6, 3414880944), (8, 2561160708), (9, 2276587296), (12, 1707440472), (16, 1280580354), (18, 1138293648), (19, 1078383456), (24, 853720236), (27, 758862432), (32, 640290177), (36, 569146824), (38, 539191728), (48, 426860118), (54, 379431216), (57, 359461152), (72, 284573412), (76, 269595864), (81, 252954144), (96, 213430059), (108, 189715608), (114, 179730576), (144, 142286706), (152, 134797932), (162, 126477072), (171, 119820384), (216, 94857804), (228, 89865288), (243, 84318048), (288, 71143353), (304, 67398966), (324, 63238536), (342, 59910192), (361, 56757024), (432, 47428902), (456, 44932644), (486, 42159024), (513, 39940128), (608, 33699483), (648, 31619268), (684, 29955096), (722, 28378512), (729, 28106016), (811, 25264224), (864, 23714451), (912, 22466322), (972, 21079512), (1026, 19970064), (1083, 18919008), (1296, 15809634), (1368, 14977548), (1444, 14189256), (1458, 14053008), (1539, 13313376), (1622, 12632112), (1824, 11233161), (1944, 10539756), (2052, 9985032), (2166, 9459504), (2187, 9368672), (2433, 8421408), (2592, 7904817), (2736, 7488774), (2888, 7094628), (2916, 7026504), (3078, 6656688), (3244, 6316056), (3249, 6306336), (3888, 5269878), (4104, 4992516), (4332, 4729752), (4374, 4684336), (4617, 4437792), (4866, 4210704), (5472, 3744387), (5776, 3547314), (5832, 3513252), (6156, 3328344), (6488, 3158028), (6498, 3153168), (7299, 2807136), (7776, 2634939), (8208, 2496258), (8664, 2364876), (8748, 2342168), (9234, 2218896), (9732, 2105352), (9747, 2102112), (11552, 1773657), (11664, 1756626), (12312, 1664172), (12976, 1579014), (12996, 1576584), (13851, 1479264), (14598, 1403568), (15409, 1329696), (16416, 1248129), (17328, 1182438), (17496, 1171084), (18468, 1109448), (19464, 1052676), (19494, 1051056), (21897, 935712), (23328, 878313), (24624, 832086), (25952, 789507), (25992, 788292), (27702, 739632), (29196, 701784), (29241, 700704), (30818, 664848), (34656, 591219), (34992, 585542), (36936, 554724), (38928, 526338), (38988, 525528), (41553, 493088), (43794, 467856), (46227, 443232), (49248, 416043), (51984, 394146), (55404, 369816), (58392, 350892), (58482, 350352), (61636, 332424), (65691, 311904), (69984, 292771), (73872, 277362), (77856, 263169), (77976, 262764), (83106, 246544), (87588, 233928), (87723, 233568), (92454, 221616), (103968, 197073), (110808, 184908), (116784, 175446), (116964, 175176), (123272, 166212), (131382, 155952), (138681, 147744)]