20936160

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:126

約数の個数: 288

約数和(自身を含む): 85542912

約数和(自身を除く): 64606752

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 67, 70, 72, 80, 84, 90, 93, 96, 105, 112, 120, 124, 126, 134, 140, 144, 155, 160, 168, 180, 186, 201, 210, 217, 224, 240, 248, 252, 268, 279, 280, 288, 310, 315, 335, 336, 360, 372, 402, 420, 434, 465, 469, 480, 496, 504, 536, 558, 560, 603, 620, 630, 651, 670, 672, 720, 744, 804, 840, 868, 930, 938, 992, 1005, 1008, 1072, 1085, 1116, 1120, 1206, 1240, 1260, 1302, 1340, 1395, 1407, 1440, 1488, 1608, 1680, 1736, 1860, 1876, 1953, 2010, 2016, 2077, 2144, 2170, 2232, 2345, 2412, 2480, 2520, 2604, 2680, 2790, 2814, 2976, 3015, 3216, 3255, 3360, 3472, 3720, 3752, 3906, 4020, 4154, 4221, 4340, 4464, 4690, 4824, 4960, 5040, 5208, 5360, 5580, 5628, 6030, 6231, 6432, 6510, 6944, 7035, 7440, 7504, 7812, 8040, 8308, 8442, 8680, 8928, 9380, 9648, 9765, 10080, 10385, 10416, 10720, 11160, 11256, 12060, 12462, 13020, 14070, 14539, 14880, 15008, 15624, 16080, 16616, 16884, 17360, 18693, 18760, 19296, 19530, 20770, 20832, 21105, 22320, 22512, 24120, 24924, 26040, 28140, 29078, 31155, 31248, 32160, 33232, 33768, 34720, 37386, 37520, 39060, 41540, 42210, 43617, 44640, 45024, 48240, 49848, 52080, 56280, 58156, 62310, 62496, 66464, 67536, 72695, 74772, 75040, 78120, 83080, 84420, 87234, 93465, 96480, 99696, 104160, 112560, 116312, 124620, 130851, 135072, 145390, 149544, 156240, 166160, 168840, 174468, 186930, 199392, 218085, 225120, 232624, 249240, 261702, 290780, 299088, 312480, 332320, 337680, 348936, 373860, 436170, 465248, 498480, 523404, 581560, 598176, 654255, 675360, 697872, 747720, 872340, 996960, 1046808, 1163120, 1308510, 1395744, 1495440, 1744680, 2093616, 2326240, 2617020, 2990880, 3489360, 4187232, 5234040, 6978720, 10468080, 20936160]

約数ペア:

[(1, 20936160), (2, 10468080), (3, 6978720), (4, 5234040), (5, 4187232), (6, 3489360), (7, 2990880), (8, 2617020), (9, 2326240), (10, 2093616), (12, 1744680), (14, 1495440), (15, 1395744), (16, 1308510), (18, 1163120), (20, 1046808), (21, 996960), (24, 872340), (28, 747720), (30, 697872), (31, 675360), (32, 654255), (35, 598176), (36, 581560), (40, 523404), (42, 498480), (45, 465248), (48, 436170), (56, 373860), (60, 348936), (62, 337680), (63, 332320), (67, 312480), (70, 299088), (72, 290780), (80, 261702), (84, 249240), (90, 232624), (93, 225120), (96, 218085), (105, 199392), (112, 186930), (120, 174468), (124, 168840), (126, 166160), (134, 156240), (140, 149544), (144, 145390), (155, 135072), (160, 130851), (168, 124620), (180, 116312), (186, 112560), (201, 104160), (210, 99696), (217, 96480), (224, 93465), (240, 87234), (248, 84420), (252, 83080), (268, 78120), (279, 75040), (280, 74772), (288, 72695), (310, 67536), (315, 66464), (335, 62496), (336, 62310), (360, 58156), (372, 56280), (402, 52080), (420, 49848), (434, 48240), (465, 45024), (469, 44640), (480, 43617), (496, 42210), (504, 41540), (536, 39060), (558, 37520), (560, 37386), (603, 34720), (620, 33768), (630, 33232), (651, 32160), (670, 31248), (672, 31155), (720, 29078), (744, 28140), (804, 26040), (840, 24924), (868, 24120), (930, 22512), (938, 22320), (992, 21105), (1005, 20832), (1008, 20770), (1072, 19530), (1085, 19296), (1116, 18760), (1120, 18693), (1206, 17360), (1240, 16884), (1260, 16616), (1302, 16080), (1340, 15624), (1395, 15008), (1407, 14880), (1440, 14539), (1488, 14070), (1608, 13020), (1680, 12462), (1736, 12060), (1860, 11256), (1876, 11160), (1953, 10720), (2010, 10416), (2016, 10385), (2077, 10080), (2144, 9765), (2170, 9648), (2232, 9380), (2345, 8928), (2412, 8680), (2480, 8442), (2520, 8308), (2604, 8040), (2680, 7812), (2790, 7504), (2814, 7440), (2976, 7035), (3015, 6944), (3216, 6510), (3255, 6432), (3360, 6231), (3472, 6030), (3720, 5628), (3752, 5580), (3906, 5360), (4020, 5208), (4154, 5040), (4221, 4960), (4340, 4824), (4464, 4690)]