20690208

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1$

素因数の和:348

約数の個数: 192

約数和(自身を含む): 75479040

約数和(自身を除く): 54788832

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 27, 28, 32, 33, 36, 42, 44, 48, 54, 56, 63, 66, 72, 77, 84, 88, 96, 99, 108, 112, 126, 132, 144, 154, 168, 176, 189, 198, 216, 224, 231, 252, 264, 288, 297, 308, 311, 336, 352, 378, 396, 432, 462, 504, 528, 594, 616, 622, 672, 693, 756, 792, 864, 924, 933, 1008, 1056, 1188, 1232, 1244, 1386, 1512, 1584, 1848, 1866, 2016, 2079, 2177, 2376, 2464, 2488, 2772, 2799, 3024, 3168, 3421, 3696, 3732, 4158, 4354, 4752, 4976, 5544, 5598, 6048, 6531, 6842, 7392, 7464, 8316, 8397, 8708, 9504, 9952, 10263, 11088, 11196, 13062, 13684, 14928, 16632, 16794, 17416, 19593, 20526, 22176, 22392, 23947, 26124, 27368, 29856, 30789, 33264, 33588, 34832, 39186, 41052, 44784, 47894, 52248, 54736, 58779, 61578, 66528, 67176, 69664, 71841, 78372, 82104, 89568, 92367, 95788, 104496, 109472, 117558, 123156, 134352, 143682, 156744, 164208, 184734, 191576, 208992, 215523, 235116, 246312, 268704, 287364, 313488, 328416, 369468, 383152, 431046, 470232, 492624, 574728, 626976, 646569, 738936, 766304, 862092, 940464, 985248, 1149456, 1293138, 1477872, 1724184, 1880928, 2298912, 2586276, 2955744, 3448368, 5172552, 6896736, 10345104, 20690208]

約数ペア:

[(1, 20690208), (2, 10345104), (3, 6896736), (4, 5172552), (6, 3448368), (7, 2955744), (8, 2586276), (9, 2298912), (11, 1880928), (12, 1724184), (14, 1477872), (16, 1293138), (18, 1149456), (21, 985248), (22, 940464), (24, 862092), (27, 766304), (28, 738936), (32, 646569), (33, 626976), (36, 574728), (42, 492624), (44, 470232), (48, 431046), (54, 383152), (56, 369468), (63, 328416), (66, 313488), (72, 287364), (77, 268704), (84, 246312), (88, 235116), (96, 215523), (99, 208992), (108, 191576), (112, 184734), (126, 164208), (132, 156744), (144, 143682), (154, 134352), (168, 123156), (176, 117558), (189, 109472), (198, 104496), (216, 95788), (224, 92367), (231, 89568), (252, 82104), (264, 78372), (288, 71841), (297, 69664), (308, 67176), (311, 66528), (336, 61578), (352, 58779), (378, 54736), (396, 52248), (432, 47894), (462, 44784), (504, 41052), (528, 39186), (594, 34832), (616, 33588), (622, 33264), (672, 30789), (693, 29856), (756, 27368), (792, 26124), (864, 23947), (924, 22392), (933, 22176), (1008, 20526), (1056, 19593), (1188, 17416), (1232, 16794), (1244, 16632), (1386, 14928), (1512, 13684), (1584, 13062), (1848, 11196), (1866, 11088), (2016, 10263), (2079, 9952), (2177, 9504), (2376, 8708), (2464, 8397), (2488, 8316), (2772, 7464), (2799, 7392), (3024, 6842), (3168, 6531), (3421, 6048), (3696, 5598), (3732, 5544), (4158, 4976), (4354, 4752)]