20387755440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{114641}}^1$

素因数の和:114692

約数の個数: 240

約数和(自身を含む): 77617219680

約数和(自身を除く): 57229464240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 90, 95, 104, 114, 117, 120, 130, 144, 152, 156, 171, 180, 190, 195, 208, 228, 234, 240, 247, 260, 285, 304, 312, 342, 360, 380, 390, 456, 468, 494, 520, 570, 585, 624, 684, 720, 741, 760, 780, 855, 912, 936, 988, 1040, 1140, 1170, 1235, 1368, 1482, 1520, 1560, 1710, 1872, 1976, 2223, 2280, 2340, 2470, 2736, 2964, 3120, 3420, 3705, 3952, 4446, 4560, 4680, 4940, 5928, 6840, 7410, 8892, 9360, 9880, 11115, 11856, 13680, 14820, 17784, 19760, 22230, 29640, 35568, 44460, 59280, 88920, 114641, 177840, 229282, 343923, 458564, 573205, 687846, 917128, 1031769, 1146410, 1375692, 1490333, 1719615, 1834256, 2063538, 2178179, 2292820, 2751384, 2980666, 3439230, 4127076, 4356358, 4470999, 4585640, 5158845, 5502768, 5961332, 6534537, 6878460, 7451665, 8254152, 8712716, 8941998, 9171280, 10317690, 10890895, 11922664, 13069074, 13412997, 13756920, 14903330, 16508304, 17425432, 17883996, 19603611, 20635380, 21781790, 22354995, 23845328, 26138148, 26825994, 27513840, 28316327, 29806660, 32672685, 34850864, 35767992, 39207222, 41270760, 43563580, 44709990, 52276296, 53651988, 56632654, 59613320, 65345370, 67064985, 71535984, 78414444, 82541520, 84948981, 87127160, 89419980, 98018055, 104552592, 107303976, 113265308, 119226640, 130690740, 134129970, 141581635, 156828888, 169897962, 174254320, 178839960, 196036110, 214607952, 226530616, 254846943, 261381480, 268259940, 283163270, 313657776, 339795924, 357679920, 392072220, 424744905, 453061232, 509693886, 522762960, 536519880, 566326540, 679591848, 784144440, 849489810, 1019387772, 1073039760, 1132653080, 1274234715, 1359183696, 1568288880, 1698979620, 2038775544, 2265306160, 2548469430, 3397959240, 4077551088, 5096938860, 6795918480, 10193877720, 20387755440]

約数ペア:

[(1, 20387755440), (2, 10193877720), (3, 6795918480), (4, 5096938860), (5, 4077551088), (6, 3397959240), (8, 2548469430), (9, 2265306160), (10, 2038775544), (12, 1698979620), (13, 1568288880), (15, 1359183696), (16, 1274234715), (18, 1132653080), (19, 1073039760), (20, 1019387772), (24, 849489810), (26, 784144440), (30, 679591848), (36, 566326540), (38, 536519880), (39, 522762960), (40, 509693886), (45, 453061232), (48, 424744905), (52, 392072220), (57, 357679920), (60, 339795924), (65, 313657776), (72, 283163270), (76, 268259940), (78, 261381480), (80, 254846943), (90, 226530616), (95, 214607952), (104, 196036110), (114, 178839960), (117, 174254320), (120, 169897962), (130, 156828888), (144, 141581635), (152, 134129970), (156, 130690740), (171, 119226640), (180, 113265308), (190, 107303976), (195, 104552592), (208, 98018055), (228, 89419980), (234, 87127160), (240, 84948981), (247, 82541520), (260, 78414444), (285, 71535984), (304, 67064985), (312, 65345370), (342, 59613320), (360, 56632654), (380, 53651988), (390, 52276296), (456, 44709990), (468, 43563580), (494, 41270760), (520, 39207222), (570, 35767992), (585, 34850864), (624, 32672685), (684, 29806660), (720, 28316327), (741, 27513840), (760, 26825994), (780, 26138148), (855, 23845328), (912, 22354995), (936, 21781790), (988, 20635380), (1040, 19603611), (1140, 17883996), (1170, 17425432), (1235, 16508304), (1368, 14903330), (1482, 13756920), (1520, 13412997), (1560, 13069074), (1710, 11922664), (1872, 10890895), (1976, 10317690), (2223, 9171280), (2280, 8941998), (2340, 8712716), (2470, 8254152), (2736, 7451665), (2964, 6878460), (3120, 6534537), (3420, 5961332), (3705, 5502768), (3952, 5158845), (4446, 4585640), (4560, 4470999), (4680, 4356358), (4940, 4127076), (5928, 3439230), (6840, 2980666), (7410, 2751384), (8892, 2292820), (9360, 2178179), (9880, 2063538), (11115, 1834256), (11856, 1719615), (13680, 1490333), (14820, 1375692), (17784, 1146410), (19760, 1031769), (22230, 917128), (29640, 687846), (35568, 573205), (44460, 458564), (59280, 343923), (88920, 229282), (114641, 177840)]