20243520

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1$

素因数の和:111

約数の個数: 280

約数和(自身を含む): 79662528

約数和(自身を除く): 59419008

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 64, 66, 71, 72, 80, 81, 88, 90, 96, 99, 108, 110, 120, 132, 135, 142, 144, 160, 162, 165, 176, 180, 192, 198, 213, 216, 220, 240, 264, 270, 284, 288, 297, 320, 324, 330, 352, 355, 360, 396, 405, 426, 432, 440, 480, 495, 528, 540, 568, 576, 594, 639, 648, 660, 704, 710, 720, 781, 792, 810, 852, 864, 880, 891, 960, 990, 1056, 1065, 1080, 1136, 1188, 1278, 1296, 1320, 1420, 1440, 1485, 1562, 1584, 1620, 1704, 1728, 1760, 1782, 1917, 1980, 2112, 2130, 2160, 2272, 2343, 2376, 2556, 2592, 2640, 2840, 2880, 2970, 3124, 3168, 3195, 3240, 3408, 3520, 3564, 3834, 3905, 3960, 4260, 4320, 4455, 4544, 4686, 4752, 5112, 5184, 5280, 5680, 5751, 5940, 6248, 6336, 6390, 6480, 6816, 7029, 7128, 7668, 7810, 7920, 8520, 8640, 8910, 9372, 9504, 9585, 10224, 10560, 11360, 11502, 11715, 11880, 12496, 12780, 12960, 13632, 14058, 14256, 15336, 15620, 15840, 17040, 17820, 18744, 19008, 19170, 20448, 21087, 22720, 23004, 23430, 23760, 24992, 25560, 25920, 28116, 28512, 28755, 30672, 31240, 31680, 34080, 35145, 35640, 37488, 38340, 40896, 42174, 46008, 46860, 47520, 49984, 51120, 56232, 57024, 57510, 61344, 62480, 63261, 68160, 70290, 71280, 74976, 76680, 84348, 92016, 93720, 95040, 102240, 105435, 112464, 115020, 122688, 124960, 126522, 140580, 142560, 149952, 153360, 168696, 184032, 187440, 204480, 210870, 224928, 230040, 249920, 253044, 281160, 285120, 306720, 316305, 337392, 368064, 374880, 421740, 449856, 460080, 506088, 562320, 613440, 632610, 674784, 749760, 843480, 920160, 1012176, 1124640, 1265220, 1349568, 1686960, 1840320, 2024352, 2249280, 2530440, 3373920, 4048704, 5060880, 6747840, 10121760, 20243520]

約数ペア:

[(1, 20243520), (2, 10121760), (3, 6747840), (4, 5060880), (5, 4048704), (6, 3373920), (8, 2530440), (9, 2249280), (10, 2024352), (11, 1840320), (12, 1686960), (15, 1349568), (16, 1265220), (18, 1124640), (20, 1012176), (22, 920160), (24, 843480), (27, 749760), (30, 674784), (32, 632610), (33, 613440), (36, 562320), (40, 506088), (44, 460080), (45, 449856), (48, 421740), (54, 374880), (55, 368064), (60, 337392), (64, 316305), (66, 306720), (71, 285120), (72, 281160), (80, 253044), (81, 249920), (88, 230040), (90, 224928), (96, 210870), (99, 204480), (108, 187440), (110, 184032), (120, 168696), (132, 153360), (135, 149952), (142, 142560), (144, 140580), (160, 126522), (162, 124960), (165, 122688), (176, 115020), (180, 112464), (192, 105435), (198, 102240), (213, 95040), (216, 93720), (220, 92016), (240, 84348), (264, 76680), (270, 74976), (284, 71280), (288, 70290), (297, 68160), (320, 63261), (324, 62480), (330, 61344), (352, 57510), (355, 57024), (360, 56232), (396, 51120), (405, 49984), (426, 47520), (432, 46860), (440, 46008), (480, 42174), (495, 40896), (528, 38340), (540, 37488), (568, 35640), (576, 35145), (594, 34080), (639, 31680), (648, 31240), (660, 30672), (704, 28755), (710, 28512), (720, 28116), (781, 25920), (792, 25560), (810, 24992), (852, 23760), (864, 23430), (880, 23004), (891, 22720), (960, 21087), (990, 20448), (1056, 19170), (1065, 19008), (1080, 18744), (1136, 17820), (1188, 17040), (1278, 15840), (1296, 15620), (1320, 15336), (1420, 14256), (1440, 14058), (1485, 13632), (1562, 12960), (1584, 12780), (1620, 12496), (1704, 11880), (1728, 11715), (1760, 11502), (1782, 11360), (1917, 10560), (1980, 10224), (2112, 9585), (2130, 9504), (2160, 9372), (2272, 8910), (2343, 8640), (2376, 8520), (2556, 7920), (2592, 7810), (2640, 7668), (2840, 7128), (2880, 7029), (2970, 6816), (3124, 6480), (3168, 6390), (3195, 6336), (3240, 6248), (3408, 5940), (3520, 5751), (3564, 5680), (3834, 5280), (3905, 5184), (3960, 5112), (4260, 4752), (4320, 4686), (4455, 4544)]