20788222320

素因数分解:

$2^4\times 3^7\times 5^1\times {\mathrm{131}}^1\times {\mathrm{907}}^1$

素因数の和:1072

約数の個数: 320

約数和(自身を含む): 73121748480

約数和(自身を除く): 52333526160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 131, 135, 144, 162, 180, 216, 240, 243, 262, 270, 324, 360, 393, 405, 432, 486, 524, 540, 648, 655, 720, 729, 786, 810, 907, 972, 1048, 1080, 1179, 1215, 1296, 1310, 1458, 1572, 1620, 1814, 1944, 1965, 2096, 2160, 2187, 2358, 2430, 2620, 2721, 2916, 3144, 3240, 3537, 3628, 3645, 3888, 3930, 4374, 4535, 4716, 4860, 5240, 5442, 5832, 5895, 6288, 6480, 7074, 7256, 7290, 7860, 8163, 8748, 9070, 9432, 9720, 10480, 10611, 10884, 10935, 11664, 11790, 13605, 14148, 14512, 14580, 15720, 16326, 17496, 17685, 18140, 18864, 19440, 21222, 21768, 21870, 23580, 24489, 27210, 28296, 29160, 31440, 31833, 32652, 34992, 35370, 36280, 40815, 42444, 43536, 43740, 47160, 48978, 53055, 54420, 56592, 58320, 63666, 65304, 70740, 72560, 73467, 81630, 84888, 87480, 94320, 95499, 97956, 106110, 108840, 118817, 122445, 127332, 130608, 141480, 146934, 159165, 163260, 169776, 174960, 190998, 195912, 212220, 217680, 220401, 237634, 244890, 254664, 282960, 286497, 293868, 318330, 326520, 356451, 367335, 381996, 391824, 424440, 440802, 475268, 477495, 489780, 509328, 572994, 587736, 594085, 636660, 653040, 661203, 712902, 734670, 763992, 848880, 881604, 950536, 954990, 979560, 1069353, 1102005, 1145988, 1175472, 1188170, 1273320, 1322406, 1425804, 1432485, 1469340, 1527984, 1763208, 1782255, 1901072, 1909980, 1959120, 1983609, 2138706, 2204010, 2291976, 2376340, 2546640, 2644812, 2851608, 2864970, 2938680, 3208059, 3306015, 3526416, 3564510, 3819960, 3967218, 4277412, 4408020, 4583952, 4752680, 5289624, 5346765, 5703216, 5729940, 5877360, 6416118, 6612030, 7129020, 7639920, 7934436, 8554824, 8816040, 9505360, 9624177, 9918045, 10579248, 10693530, 11459880, 12832236, 13224060, 14258040, 15868872, 16040295, 17109648, 17632080, 19248354, 19836090, 21387060, 22919760, 25664472, 26448120, 28516080, 28872531, 31737744, 32080590, 38496708, 39672180, 42774120, 48120885, 51328944, 52896240, 57745062, 64161180, 76993416, 79344360, 85548240, 86617593, 96241770, 115490124, 128322360, 144362655, 153986832, 158688720, 173235186, 192483540, 230980248, 256644720, 259852779, 288725310, 346470372, 384967080, 433087965, 461960496, 519705558, 577450620, 692940744, 769934160, 866175930, 1039411116, 1154901240, 1299263895, 1385881488, 1732351860, 2078822232, 2309802480, 2598527790, 3464703720, 4157644464, 5197055580, 6929407440, 10394111160, 20788222320]

約数ペア:

[(1, 20788222320), (2, 10394111160), (3, 6929407440), (4, 5197055580), (5, 4157644464), (6, 3464703720), (8, 2598527790), (9, 2309802480), (10, 2078822232), (12, 1732351860), (15, 1385881488), (16, 1299263895), (18, 1154901240), (20, 1039411116), (24, 866175930), (27, 769934160), (30, 692940744), (36, 577450620), (40, 519705558), (45, 461960496), (48, 433087965), (54, 384967080), (60, 346470372), (72, 288725310), (80, 259852779), (81, 256644720), (90, 230980248), (108, 192483540), (120, 173235186), (131, 158688720), (135, 153986832), (144, 144362655), (162, 128322360), (180, 115490124), (216, 96241770), (240, 86617593), (243, 85548240), (262, 79344360), (270, 76993416), (324, 64161180), (360, 57745062), (393, 52896240), (405, 51328944), (432, 48120885), (486, 42774120), (524, 39672180), (540, 38496708), (648, 32080590), (655, 31737744), (720, 28872531), (729, 28516080), (786, 26448120), (810, 25664472), (907, 22919760), (972, 21387060), (1048, 19836090), (1080, 19248354), (1179, 17632080), (1215, 17109648), (1296, 16040295), (1310, 15868872), (1458, 14258040), (1572, 13224060), (1620, 12832236), (1814, 11459880), (1944, 10693530), (1965, 10579248), (2096, 9918045), (2160, 9624177), (2187, 9505360), (2358, 8816040), (2430, 8554824), (2620, 7934436), (2721, 7639920), (2916, 7129020), (3144, 6612030), (3240, 6416118), (3537, 5877360), (3628, 5729940), (3645, 5703216), (3888, 5346765), (3930, 5289624), (4374, 4752680), (4535, 4583952), (4716, 4408020), (4860, 4277412), (5240, 3967218), (5442, 3819960), (5832, 3564510), (5895, 3526416), (6288, 3306015), (6480, 3208059), (7074, 2938680), (7256, 2864970), (7290, 2851608), (7860, 2644812), (8163, 2546640), (8748, 2376340), (9070, 2291976), (9432, 2204010), (9720, 2138706), (10480, 1983609), (10611, 1959120), (10884, 1909980), (10935, 1901072), (11664, 1782255), (11790, 1763208), (13605, 1527984), (14148, 1469340), (14512, 1432485), (14580, 1425804), (15720, 1322406), (16326, 1273320), (17496, 1188170), (17685, 1175472), (18140, 1145988), (18864, 1102005), (19440, 1069353), (21222, 979560), (21768, 954990), (21870, 950536), (23580, 881604), (24489, 848880), (27210, 763992), (28296, 734670), (29160, 712902), (31440, 661203), (31833, 653040), (32652, 636660), (34992, 594085), (35370, 587736), (36280, 572994), (40815, 509328), (42444, 489780), (43536, 477495), (43740, 475268), (47160, 440802), (48978, 424440), (53055, 391824), (54420, 381996), (56592, 367335), (58320, 356451), (63666, 326520), (65304, 318330), (70740, 293868), (72560, 286497), (73467, 282960), (81630, 254664), (84888, 244890), (87480, 237634), (94320, 220401), (95499, 217680), (97956, 212220), (106110, 195912), (108840, 190998), (118817, 174960), (122445, 169776), (127332, 163260), (130608, 159165), (141480, 146934)]