20338560

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1$

素因数の和:146

約数の個数: 256

約数和(自身を含む): 79315200

約数和(自身を除く): 58976640

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, 72, 80, 88, 90, 96, 99, 107, 108, 110, 120, 128, 132, 135, 144, 160, 165, 176, 180, 192, 198, 214, 216, 220, 240, 264, 270, 288, 297, 320, 321, 330, 352, 360, 384, 396, 428, 432, 440, 480, 495, 528, 535, 540, 576, 594, 640, 642, 660, 704, 720, 792, 856, 864, 880, 960, 963, 990, 1056, 1070, 1080, 1152, 1177, 1188, 1284, 1320, 1408, 1440, 1485, 1584, 1605, 1712, 1728, 1760, 1920, 1926, 1980, 2112, 2140, 2160, 2354, 2376, 2568, 2640, 2880, 2889, 2970, 3168, 3210, 3424, 3456, 3520, 3531, 3852, 3960, 4224, 4280, 4320, 4708, 4752, 4815, 5136, 5280, 5760, 5778, 5885, 5940, 6336, 6420, 6848, 7040, 7062, 7704, 7920, 8560, 8640, 9416, 9504, 9630, 10272, 10560, 10593, 11556, 11770, 11880, 12672, 12840, 13696, 14124, 14445, 15408, 15840, 17120, 17280, 17655, 18832, 19008, 19260, 20544, 21120, 21186, 23112, 23540, 23760, 25680, 28248, 28890, 30816, 31680, 31779, 34240, 35310, 37664, 38016, 38520, 41088, 42372, 46224, 47080, 47520, 51360, 52965, 56496, 57780, 61632, 63360, 63558, 68480, 70620, 75328, 77040, 84744, 92448, 94160, 95040, 102720, 105930, 112992, 115560, 123264, 127116, 141240, 150656, 154080, 158895, 169488, 184896, 188320, 190080, 205440, 211860, 225984, 231120, 254232, 282480, 308160, 317790, 338976, 369792, 376640, 423720, 451968, 462240, 508464, 564960, 616320, 635580, 677952, 753280, 847440, 924480, 1016928, 1129920, 1271160, 1355904, 1694880, 1848960, 2033856, 2259840, 2542320, 3389760, 4067712, 5084640, 6779520, 10169280, 20338560]

約数ペア:

[(1, 20338560), (2, 10169280), (3, 6779520), (4, 5084640), (5, 4067712), (6, 3389760), (8, 2542320), (9, 2259840), (10, 2033856), (11, 1848960), (12, 1694880), (15, 1355904), (16, 1271160), (18, 1129920), (20, 1016928), (22, 924480), (24, 847440), (27, 753280), (30, 677952), (32, 635580), (33, 616320), (36, 564960), (40, 508464), (44, 462240), (45, 451968), (48, 423720), (54, 376640), (55, 369792), (60, 338976), (64, 317790), (66, 308160), (72, 282480), (80, 254232), (88, 231120), (90, 225984), (96, 211860), (99, 205440), (107, 190080), (108, 188320), (110, 184896), (120, 169488), (128, 158895), (132, 154080), (135, 150656), (144, 141240), (160, 127116), (165, 123264), (176, 115560), (180, 112992), (192, 105930), (198, 102720), (214, 95040), (216, 94160), (220, 92448), (240, 84744), (264, 77040), (270, 75328), (288, 70620), (297, 68480), (320, 63558), (321, 63360), (330, 61632), (352, 57780), (360, 56496), (384, 52965), (396, 51360), (428, 47520), (432, 47080), (440, 46224), (480, 42372), (495, 41088), (528, 38520), (535, 38016), (540, 37664), (576, 35310), (594, 34240), (640, 31779), (642, 31680), (660, 30816), (704, 28890), (720, 28248), (792, 25680), (856, 23760), (864, 23540), (880, 23112), (960, 21186), (963, 21120), (990, 20544), (1056, 19260), (1070, 19008), (1080, 18832), (1152, 17655), (1177, 17280), (1188, 17120), (1284, 15840), (1320, 15408), (1408, 14445), (1440, 14124), (1485, 13696), (1584, 12840), (1605, 12672), (1712, 11880), (1728, 11770), (1760, 11556), (1920, 10593), (1926, 10560), (1980, 10272), (2112, 9630), (2140, 9504), (2160, 9416), (2354, 8640), (2376, 8560), (2568, 7920), (2640, 7704), (2880, 7062), (2889, 7040), (2970, 6848), (3168, 6420), (3210, 6336), (3424, 5940), (3456, 5885), (3520, 5778), (3531, 5760), (3852, 5280), (3960, 5136), (4224, 4815), (4280, 4752), (4320, 4708)]