20176706480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4441}}^1$

素因数の和:4548

約数の個数: 240

約数和(自身を含む): 58396664160

約数和(自身を除く): 38219957680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 61, 70, 76, 80, 95, 98, 112, 122, 133, 140, 152, 190, 196, 244, 245, 266, 280, 304, 305, 380, 392, 427, 488, 490, 532, 560, 610, 665, 760, 784, 854, 931, 976, 980, 1064, 1159, 1220, 1330, 1520, 1708, 1862, 1960, 2128, 2135, 2318, 2440, 2660, 2989, 3416, 3724, 3920, 4270, 4441, 4636, 4655, 4880, 5320, 5795, 5978, 6832, 7448, 8113, 8540, 8882, 9272, 9310, 10640, 11590, 11956, 14896, 14945, 16226, 17080, 17764, 18544, 18620, 22205, 23180, 23912, 29890, 31087, 32452, 34160, 35528, 37240, 40565, 44410, 46360, 47824, 56791, 59780, 62174, 64904, 71056, 74480, 81130, 84379, 88820, 92720, 113582, 119560, 124348, 129808, 155435, 162260, 168758, 177640, 217609, 227164, 239120, 248696, 270901, 283955, 310870, 324520, 337516, 355280, 421895, 435218, 454328, 497392, 541802, 567910, 590653, 621740, 649040, 675032, 843790, 870436, 908656, 1083604, 1088045, 1135820, 1181306, 1243480, 1350064, 1354505, 1687580, 1740872, 1896307, 2167208, 2176090, 2271640, 2362612, 2486960, 2709010, 2953265, 3375160, 3481744, 3792614, 4134571, 4334416, 4352180, 4543280, 4725224, 5147119, 5418020, 5906530, 6750320, 7585228, 8269142, 8704360, 9450448, 9481535, 10294238, 10836040, 11813060, 13274149, 15170456, 16538284, 17408720, 18963070, 20588476, 20672855, 21672080, 23626120, 25735595, 26548298, 30340912, 33076568, 36029833, 37926140, 41176952, 41345710, 47252240, 51471190, 53096596, 66153136, 66370745, 72059666, 75852280, 82353904, 82691420, 102942380, 106193192, 132741490, 144119332, 151704560, 165382840, 180149165, 205884760, 212386384, 252208831, 265482980, 288238664, 330765680, 360298330, 411769520, 504417662, 530965960, 576477328, 720596660, 1008835324, 1061931920, 1261044155, 1441193320, 2017670648, 2522088310, 2882386640, 4035341296, 5044176620, 10088353240, 20176706480]

約数ペア:

[(1, 20176706480), (2, 10088353240), (4, 5044176620), (5, 4035341296), (7, 2882386640), (8, 2522088310), (10, 2017670648), (14, 1441193320), (16, 1261044155), (19, 1061931920), (20, 1008835324), (28, 720596660), (35, 576477328), (38, 530965960), (40, 504417662), (49, 411769520), (56, 360298330), (61, 330765680), (70, 288238664), (76, 265482980), (80, 252208831), (95, 212386384), (98, 205884760), (112, 180149165), (122, 165382840), (133, 151704560), (140, 144119332), (152, 132741490), (190, 106193192), (196, 102942380), (244, 82691420), (245, 82353904), (266, 75852280), (280, 72059666), (304, 66370745), (305, 66153136), (380, 53096596), (392, 51471190), (427, 47252240), (488, 41345710), (490, 41176952), (532, 37926140), (560, 36029833), (610, 33076568), (665, 30340912), (760, 26548298), (784, 25735595), (854, 23626120), (931, 21672080), (976, 20672855), (980, 20588476), (1064, 18963070), (1159, 17408720), (1220, 16538284), (1330, 15170456), (1520, 13274149), (1708, 11813060), (1862, 10836040), (1960, 10294238), (2128, 9481535), (2135, 9450448), (2318, 8704360), (2440, 8269142), (2660, 7585228), (2989, 6750320), (3416, 5906530), (3724, 5418020), (3920, 5147119), (4270, 4725224), (4441, 4543280), (4636, 4352180), (4655, 4334416), (4880, 4134571), (5320, 3792614), (5795, 3481744), (5978, 3375160), (6832, 2953265), (7448, 2709010), (8113, 2486960), (8540, 2362612), (8882, 2271640), (9272, 2176090), (9310, 2167208), (10640, 1896307), (11590, 1740872), (11956, 1687580), (14896, 1354505), (14945, 1350064), (16226, 1243480), (17080, 1181306), (17764, 1135820), (18544, 1088045), (18620, 1083604), (22205, 908656), (23180, 870436), (23912, 843790), (29890, 675032), (31087, 649040), (32452, 621740), (34160, 590653), (35528, 567910), (37240, 541802), (40565, 497392), (44410, 454328), (46360, 435218), (47824, 421895), (56791, 355280), (59780, 337516), (62174, 324520), (64904, 310870), (71056, 283955), (74480, 270901), (81130, 248696), (84379, 239120), (88820, 227164), (92720, 217609), (113582, 177640), (119560, 168758), (124348, 162260), (129808, 155435)]