20676480

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1$

素因数の和:133

約数の個数: 192

約数和(自身を含む): 73256400

約数和(自身を除く): 52579920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 89, 96, 110, 120, 121, 128, 132, 160, 165, 176, 178, 192, 220, 240, 242, 264, 267, 320, 330, 352, 356, 363, 384, 440, 445, 480, 484, 528, 534, 605, 640, 660, 704, 712, 726, 880, 890, 960, 968, 979, 1056, 1068, 1210, 1320, 1335, 1408, 1424, 1452, 1760, 1780, 1815, 1920, 1936, 1958, 2112, 2136, 2420, 2640, 2670, 2848, 2904, 2937, 3520, 3560, 3630, 3872, 3916, 4224, 4272, 4840, 4895, 5280, 5340, 5696, 5808, 5874, 7040, 7120, 7260, 7744, 7832, 8544, 9680, 9790, 10560, 10680, 10769, 11392, 11616, 11748, 14240, 14520, 14685, 15488, 15664, 17088, 19360, 19580, 21120, 21360, 21538, 23232, 23496, 28480, 29040, 29370, 31328, 32307, 34176, 38720, 39160, 42720, 43076, 46464, 46992, 53845, 56960, 58080, 58740, 62656, 64614, 77440, 78320, 85440, 86152, 93984, 107690, 116160, 117480, 125312, 129228, 156640, 161535, 170880, 172304, 187968, 215380, 232320, 234960, 258456, 313280, 323070, 344608, 375936, 430760, 469920, 516912, 626560, 646140, 689216, 861520, 939840, 1033824, 1292280, 1378432, 1723040, 1879680, 2067648, 2584560, 3446080, 4135296, 5169120, 6892160, 10338240, 20676480]

約数ペア:

[(1, 20676480), (2, 10338240), (3, 6892160), (4, 5169120), (5, 4135296), (6, 3446080), (8, 2584560), (10, 2067648), (11, 1879680), (12, 1723040), (15, 1378432), (16, 1292280), (20, 1033824), (22, 939840), (24, 861520), (30, 689216), (32, 646140), (33, 626560), (40, 516912), (44, 469920), (48, 430760), (55, 375936), (60, 344608), (64, 323070), (66, 313280), (80, 258456), (88, 234960), (89, 232320), (96, 215380), (110, 187968), (120, 172304), (121, 170880), (128, 161535), (132, 156640), (160, 129228), (165, 125312), (176, 117480), (178, 116160), (192, 107690), (220, 93984), (240, 86152), (242, 85440), (264, 78320), (267, 77440), (320, 64614), (330, 62656), (352, 58740), (356, 58080), (363, 56960), (384, 53845), (440, 46992), (445, 46464), (480, 43076), (484, 42720), (528, 39160), (534, 38720), (605, 34176), (640, 32307), (660, 31328), (704, 29370), (712, 29040), (726, 28480), (880, 23496), (890, 23232), (960, 21538), (968, 21360), (979, 21120), (1056, 19580), (1068, 19360), (1210, 17088), (1320, 15664), (1335, 15488), (1408, 14685), (1424, 14520), (1452, 14240), (1760, 11748), (1780, 11616), (1815, 11392), (1920, 10769), (1936, 10680), (1958, 10560), (2112, 9790), (2136, 9680), (2420, 8544), (2640, 7832), (2670, 7744), (2848, 7260), (2904, 7120), (2937, 7040), (3520, 5874), (3560, 5808), (3630, 5696), (3872, 5340), (3916, 5280), (4224, 4895), (4272, 4840)]