20724288

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1$

素因数の和:89

約数の個数: 168

約数和(自身を含む): 65032128

約数和(自身を除く): 44307840

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 23, 24, 26, 32, 38, 39, 46, 48, 52, 57, 64, 69, 76, 78, 92, 96, 104, 114, 138, 152, 156, 184, 192, 208, 228, 247, 276, 299, 304, 312, 361, 368, 416, 437, 456, 494, 552, 598, 608, 624, 722, 736, 741, 832, 874, 897, 912, 988, 1083, 1104, 1196, 1216, 1248, 1311, 1444, 1472, 1482, 1748, 1794, 1824, 1976, 2166, 2208, 2392, 2496, 2622, 2888, 2964, 3496, 3588, 3648, 3952, 4332, 4416, 4693, 4784, 5244, 5681, 5776, 5928, 6992, 7176, 7904, 8303, 8664, 9386, 9568, 10488, 11362, 11552, 11856, 13984, 14079, 14352, 15808, 16606, 17043, 17328, 18772, 19136, 20976, 22724, 23104, 23712, 24909, 27968, 28158, 28704, 33212, 34086, 34656, 37544, 41952, 45448, 47424, 49818, 56316, 57408, 66424, 68172, 69312, 75088, 83904, 90896, 99636, 107939, 112632, 132848, 136344, 150176, 181792, 199272, 215878, 225264, 265696, 272688, 300352, 323817, 363584, 398544, 431756, 450528, 531392, 545376, 647634, 797088, 863512, 901056, 1090752, 1295268, 1594176, 1727024, 2590536, 3454048, 5181072, 6908096, 10362144, 20724288]

約数ペア:

[(1, 20724288), (2, 10362144), (3, 6908096), (4, 5181072), (6, 3454048), (8, 2590536), (12, 1727024), (13, 1594176), (16, 1295268), (19, 1090752), (23, 901056), (24, 863512), (26, 797088), (32, 647634), (38, 545376), (39, 531392), (46, 450528), (48, 431756), (52, 398544), (57, 363584), (64, 323817), (69, 300352), (76, 272688), (78, 265696), (92, 225264), (96, 215878), (104, 199272), (114, 181792), (138, 150176), (152, 136344), (156, 132848), (184, 112632), (192, 107939), (208, 99636), (228, 90896), (247, 83904), (276, 75088), (299, 69312), (304, 68172), (312, 66424), (361, 57408), (368, 56316), (416, 49818), (437, 47424), (456, 45448), (494, 41952), (552, 37544), (598, 34656), (608, 34086), (624, 33212), (722, 28704), (736, 28158), (741, 27968), (832, 24909), (874, 23712), (897, 23104), (912, 22724), (988, 20976), (1083, 19136), (1104, 18772), (1196, 17328), (1216, 17043), (1248, 16606), (1311, 15808), (1444, 14352), (1472, 14079), (1482, 13984), (1748, 11856), (1794, 11552), (1824, 11362), (1976, 10488), (2166, 9568), (2208, 9386), (2392, 8664), (2496, 8303), (2622, 7904), (2888, 7176), (2964, 6992), (3496, 5928), (3588, 5776), (3648, 5681), (3952, 5244), (4332, 4784), (4416, 4693)]