20285760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:161

約数の個数: 224

約数和(自身を含む): 75053952

約数和(自身を除く): 54768192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 20, 22, 24, 30, 32, 33, 34, 40, 44, 48, 51, 55, 60, 64, 66, 68, 80, 85, 88, 96, 102, 110, 113, 120, 132, 136, 160, 165, 170, 176, 187, 192, 204, 220, 226, 240, 255, 264, 272, 320, 330, 339, 340, 352, 374, 408, 440, 452, 480, 510, 528, 544, 561, 565, 660, 678, 680, 704, 748, 816, 880, 904, 935, 960, 1020, 1056, 1088, 1122, 1130, 1243, 1320, 1356, 1360, 1496, 1632, 1695, 1760, 1808, 1870, 1921, 2040, 2112, 2244, 2260, 2486, 2640, 2712, 2720, 2805, 2992, 3264, 3390, 3520, 3616, 3729, 3740, 3842, 4080, 4488, 4520, 4972, 5280, 5424, 5440, 5610, 5763, 5984, 6215, 6780, 7232, 7458, 7480, 7684, 8160, 8976, 9040, 9605, 9944, 10560, 10848, 11220, 11526, 11968, 12430, 13560, 14916, 14960, 15368, 16320, 17952, 18080, 18645, 19210, 19888, 21131, 21696, 22440, 23052, 24860, 27120, 28815, 29832, 29920, 30736, 35904, 36160, 37290, 38420, 39776, 42262, 44880, 46104, 49720, 54240, 57630, 59664, 59840, 61472, 63393, 74580, 76840, 79552, 84524, 89760, 92208, 99440, 105655, 108480, 115260, 119328, 122944, 126786, 149160, 153680, 169048, 179520, 184416, 198880, 211310, 230520, 238656, 253572, 298320, 307360, 316965, 338096, 368832, 397760, 422620, 461040, 507144, 596640, 614720, 633930, 676192, 845240, 922080, 1014288, 1193280, 1267860, 1352384, 1690480, 1844160, 2028576, 2535720, 3380960, 4057152, 5071440, 6761920, 10142880, 20285760]

約数ペア:

[(1, 20285760), (2, 10142880), (3, 6761920), (4, 5071440), (5, 4057152), (6, 3380960), (8, 2535720), (10, 2028576), (11, 1844160), (12, 1690480), (15, 1352384), (16, 1267860), (17, 1193280), (20, 1014288), (22, 922080), (24, 845240), (30, 676192), (32, 633930), (33, 614720), (34, 596640), (40, 507144), (44, 461040), (48, 422620), (51, 397760), (55, 368832), (60, 338096), (64, 316965), (66, 307360), (68, 298320), (80, 253572), (85, 238656), (88, 230520), (96, 211310), (102, 198880), (110, 184416), (113, 179520), (120, 169048), (132, 153680), (136, 149160), (160, 126786), (165, 122944), (170, 119328), (176, 115260), (187, 108480), (192, 105655), (204, 99440), (220, 92208), (226, 89760), (240, 84524), (255, 79552), (264, 76840), (272, 74580), (320, 63393), (330, 61472), (339, 59840), (340, 59664), (352, 57630), (374, 54240), (408, 49720), (440, 46104), (452, 44880), (480, 42262), (510, 39776), (528, 38420), (544, 37290), (561, 36160), (565, 35904), (660, 30736), (678, 29920), (680, 29832), (704, 28815), (748, 27120), (816, 24860), (880, 23052), (904, 22440), (935, 21696), (960, 21131), (1020, 19888), (1056, 19210), (1088, 18645), (1122, 18080), (1130, 17952), (1243, 16320), (1320, 15368), (1356, 14960), (1360, 14916), (1496, 13560), (1632, 12430), (1695, 11968), (1760, 11526), (1808, 11220), (1870, 10848), (1921, 10560), (2040, 9944), (2112, 9605), (2244, 9040), (2260, 8976), (2486, 8160), (2640, 7684), (2712, 7480), (2720, 7458), (2805, 7232), (2992, 6780), (3264, 6215), (3390, 5984), (3520, 5763), (3616, 5610), (3729, 5440), (3740, 5424), (3842, 5280), (4080, 4972), (4488, 4520)]