20523360

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1$

素因数の和:78

約数の個数: 288

約数和(自身を含む): 79688448

約数和(自身を除く): 59165088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 23, 24, 26, 30, 32, 33, 39, 40, 44, 46, 48, 52, 55, 60, 65, 66, 69, 78, 80, 88, 92, 96, 104, 110, 115, 120, 130, 132, 138, 143, 156, 160, 165, 169, 176, 184, 195, 208, 220, 230, 240, 253, 260, 264, 276, 286, 299, 312, 330, 338, 345, 352, 368, 390, 416, 429, 440, 460, 480, 506, 507, 520, 528, 552, 572, 598, 624, 660, 676, 690, 715, 736, 759, 780, 845, 858, 880, 897, 920, 1012, 1014, 1040, 1056, 1104, 1144, 1196, 1248, 1265, 1320, 1352, 1380, 1430, 1495, 1518, 1560, 1690, 1716, 1760, 1794, 1840, 1859, 2024, 2028, 2080, 2145, 2208, 2288, 2392, 2530, 2535, 2640, 2704, 2760, 2860, 2990, 3036, 3120, 3289, 3380, 3432, 3588, 3680, 3718, 3795, 3887, 4048, 4056, 4290, 4485, 4576, 4784, 5060, 5070, 5280, 5408, 5520, 5577, 5720, 5980, 6072, 6240, 6578, 6760, 6864, 7176, 7436, 7590, 7774, 8096, 8112, 8580, 8970, 9295, 9568, 9867, 10120, 10140, 11040, 11154, 11440, 11661, 11960, 12144, 13156, 13520, 13728, 14352, 14872, 15180, 15548, 16224, 16445, 17160, 17940, 18590, 19435, 19734, 20240, 20280, 22308, 22880, 23322, 23920, 24288, 26312, 27040, 27885, 28704, 29744, 30360, 31096, 32890, 34320, 35880, 37180, 38870, 39468, 40480, 40560, 42757, 44616, 46644, 47840, 49335, 52624, 55770, 58305, 59488, 60720, 62192, 65780, 68640, 71760, 74360, 77740, 78936, 81120, 85514, 89232, 93288, 98670, 105248, 111540, 116610, 121440, 124384, 128271, 131560, 143520, 148720, 155480, 157872, 171028, 178464, 186576, 197340, 213785, 223080, 233220, 256542, 263120, 297440, 310960, 315744, 342056, 373152, 394680, 427570, 446160, 466440, 513084, 526240, 621920, 641355, 684112, 789360, 855140, 892320, 932880, 1026168, 1282710, 1368224, 1578720, 1710280, 1865760, 2052336, 2565420, 3420560, 4104672, 5130840, 6841120, 10261680, 20523360]

約数ペア:

[(1, 20523360), (2, 10261680), (3, 6841120), (4, 5130840), (5, 4104672), (6, 3420560), (8, 2565420), (10, 2052336), (11, 1865760), (12, 1710280), (13, 1578720), (15, 1368224), (16, 1282710), (20, 1026168), (22, 932880), (23, 892320), (24, 855140), (26, 789360), (30, 684112), (32, 641355), (33, 621920), (39, 526240), (40, 513084), (44, 466440), (46, 446160), (48, 427570), (52, 394680), (55, 373152), (60, 342056), (65, 315744), (66, 310960), (69, 297440), (78, 263120), (80, 256542), (88, 233220), (92, 223080), (96, 213785), (104, 197340), (110, 186576), (115, 178464), (120, 171028), (130, 157872), (132, 155480), (138, 148720), (143, 143520), (156, 131560), (160, 128271), (165, 124384), (169, 121440), (176, 116610), (184, 111540), (195, 105248), (208, 98670), (220, 93288), (230, 89232), (240, 85514), (253, 81120), (260, 78936), (264, 77740), (276, 74360), (286, 71760), (299, 68640), (312, 65780), (330, 62192), (338, 60720), (345, 59488), (352, 58305), (368, 55770), (390, 52624), (416, 49335), (429, 47840), (440, 46644), (460, 44616), (480, 42757), (506, 40560), (507, 40480), (520, 39468), (528, 38870), (552, 37180), (572, 35880), (598, 34320), (624, 32890), (660, 31096), (676, 30360), (690, 29744), (715, 28704), (736, 27885), (759, 27040), (780, 26312), (845, 24288), (858, 23920), (880, 23322), (897, 22880), (920, 22308), (1012, 20280), (1014, 20240), (1040, 19734), (1056, 19435), (1104, 18590), (1144, 17940), (1196, 17160), (1248, 16445), (1265, 16224), (1320, 15548), (1352, 15180), (1380, 14872), (1430, 14352), (1495, 13728), (1518, 13520), (1560, 13156), (1690, 12144), (1716, 11960), (1760, 11661), (1794, 11440), (1840, 11154), (1859, 11040), (2024, 10140), (2028, 10120), (2080, 9867), (2145, 9568), (2208, 9295), (2288, 8970), (2392, 8580), (2530, 8112), (2535, 8096), (2640, 7774), (2704, 7590), (2760, 7436), (2860, 7176), (2990, 6864), (3036, 6760), (3120, 6578), (3289, 6240), (3380, 6072), (3432, 5980), (3588, 5720), (3680, 5577), (3718, 5520), (3795, 5408), (3887, 5280), (4048, 5070), (4056, 5060), (4290, 4784), (4485, 4576)]