20617200

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:133

約数の個数: 240

約数和(自身を含む): 77495040

約数和(自身を除く): 56877840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 25, 27, 30, 36, 40, 45, 46, 48, 50, 54, 60, 69, 72, 75, 80, 83, 90, 92, 100, 108, 115, 120, 135, 138, 144, 150, 166, 180, 184, 200, 207, 216, 225, 230, 240, 249, 270, 276, 300, 332, 345, 360, 368, 400, 414, 415, 432, 450, 460, 498, 540, 552, 575, 600, 621, 664, 675, 690, 720, 747, 828, 830, 900, 920, 996, 1035, 1080, 1104, 1150, 1200, 1242, 1245, 1328, 1350, 1380, 1494, 1656, 1660, 1725, 1800, 1840, 1909, 1992, 2070, 2075, 2160, 2241, 2300, 2484, 2490, 2700, 2760, 2988, 3105, 3312, 3320, 3450, 3600, 3735, 3818, 3984, 4140, 4150, 4482, 4600, 4968, 4980, 5175, 5400, 5520, 5727, 5976, 6210, 6225, 6640, 6900, 7470, 7636, 8280, 8300, 8964, 9200, 9545, 9936, 9960, 10350, 10800, 11205, 11454, 11952, 12420, 12450, 13800, 14940, 15272, 15525, 16560, 16600, 17181, 17928, 18675, 19090, 19920, 20700, 22410, 22908, 24840, 24900, 27600, 28635, 29880, 30544, 31050, 33200, 34362, 35856, 37350, 38180, 41400, 44820, 45816, 47725, 49680, 49800, 51543, 56025, 57270, 59760, 62100, 68724, 74700, 76360, 82800, 85905, 89640, 91632, 95450, 99600, 103086, 112050, 114540, 124200, 137448, 143175, 149400, 152720, 171810, 179280, 190900, 206172, 224100, 229080, 248400, 257715, 274896, 286350, 298800, 343620, 381800, 412344, 429525, 448200, 458160, 515430, 572700, 687240, 763600, 824688, 859050, 896400, 1030860, 1145400, 1288575, 1374480, 1718100, 2061720, 2290800, 2577150, 3436200, 4123440, 5154300, 6872400, 10308600, 20617200]

約数ペア:

[(1, 20617200), (2, 10308600), (3, 6872400), (4, 5154300), (5, 4123440), (6, 3436200), (8, 2577150), (9, 2290800), (10, 2061720), (12, 1718100), (15, 1374480), (16, 1288575), (18, 1145400), (20, 1030860), (23, 896400), (24, 859050), (25, 824688), (27, 763600), (30, 687240), (36, 572700), (40, 515430), (45, 458160), (46, 448200), (48, 429525), (50, 412344), (54, 381800), (60, 343620), (69, 298800), (72, 286350), (75, 274896), (80, 257715), (83, 248400), (90, 229080), (92, 224100), (100, 206172), (108, 190900), (115, 179280), (120, 171810), (135, 152720), (138, 149400), (144, 143175), (150, 137448), (166, 124200), (180, 114540), (184, 112050), (200, 103086), (207, 99600), (216, 95450), (225, 91632), (230, 89640), (240, 85905), (249, 82800), (270, 76360), (276, 74700), (300, 68724), (332, 62100), (345, 59760), (360, 57270), (368, 56025), (400, 51543), (414, 49800), (415, 49680), (432, 47725), (450, 45816), (460, 44820), (498, 41400), (540, 38180), (552, 37350), (575, 35856), (600, 34362), (621, 33200), (664, 31050), (675, 30544), (690, 29880), (720, 28635), (747, 27600), (828, 24900), (830, 24840), (900, 22908), (920, 22410), (996, 20700), (1035, 19920), (1080, 19090), (1104, 18675), (1150, 17928), (1200, 17181), (1242, 16600), (1245, 16560), (1328, 15525), (1350, 15272), (1380, 14940), (1494, 13800), (1656, 12450), (1660, 12420), (1725, 11952), (1800, 11454), (1840, 11205), (1909, 10800), (1992, 10350), (2070, 9960), (2075, 9936), (2160, 9545), (2241, 9200), (2300, 8964), (2484, 8300), (2490, 8280), (2700, 7636), (2760, 7470), (2988, 6900), (3105, 6640), (3312, 6225), (3320, 6210), (3450, 5976), (3600, 5727), (3735, 5520), (3818, 5400), (3984, 5175), (4140, 4980), (4150, 4968), (4482, 4600)]