20921755320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{337}}^1\times {\mathrm{521}}^1$

素因数の和:1206

約数の個数: 192

約数和(自身を含む): 68534799840

約数和(自身を除く): 47613044520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 331, 337, 360, 521, 662, 674, 993, 1011, 1042, 1324, 1348, 1563, 1655, 1685, 1986, 2022, 2084, 2605, 2648, 2696, 2979, 3033, 3126, 3310, 3370, 3972, 4044, 4168, 4689, 4965, 5055, 5210, 5958, 6066, 6252, 6620, 6740, 7815, 7944, 8088, 9378, 9930, 10110, 10420, 11916, 12132, 12504, 13240, 13480, 14895, 15165, 15630, 18756, 19860, 20220, 20840, 23445, 23832, 24264, 29790, 30330, 31260, 37512, 39720, 40440, 46890, 59580, 60660, 62520, 93780, 111547, 119160, 121320, 172451, 175577, 187560, 223094, 334641, 344902, 351154, 446188, 517353, 526731, 557735, 669282, 689804, 702308, 862255, 877885, 892376, 1003923, 1034706, 1053462, 1115470, 1338564, 1379608, 1404616, 1552059, 1580193, 1673205, 1724510, 1755770, 2007846, 2069412, 2106924, 2230940, 2586765, 2633655, 2677128, 3104118, 3160386, 3346410, 3449020, 3511540, 4015692, 4138824, 4213848, 4461880, 5019615, 5173530, 5267310, 6208236, 6320772, 6692820, 6898040, 7023080, 7760295, 7900965, 8031384, 10039230, 10347060, 10534620, 12416472, 12641544, 13385640, 15520590, 15801930, 20078460, 20694120, 21069240, 31041180, 31603860, 40156920, 58115987, 62082360, 63207720, 116231974, 174347961, 232463948, 290579935, 348695922, 464927896, 523043883, 581159870, 697391844, 871739805, 1046087766, 1162319740, 1394783688, 1743479610, 2092175532, 2324639480, 2615219415, 3486959220, 4184351064, 5230438830, 6973918440, 10460877660, 20921755320]

約数ペア:

[(1, 20921755320), (2, 10460877660), (3, 6973918440), (4, 5230438830), (5, 4184351064), (6, 3486959220), (8, 2615219415), (9, 2324639480), (10, 2092175532), (12, 1743479610), (15, 1394783688), (18, 1162319740), (20, 1046087766), (24, 871739805), (30, 697391844), (36, 581159870), (40, 523043883), (45, 464927896), (60, 348695922), (72, 290579935), (90, 232463948), (120, 174347961), (180, 116231974), (331, 63207720), (337, 62082360), (360, 58115987), (521, 40156920), (662, 31603860), (674, 31041180), (993, 21069240), (1011, 20694120), (1042, 20078460), (1324, 15801930), (1348, 15520590), (1563, 13385640), (1655, 12641544), (1685, 12416472), (1986, 10534620), (2022, 10347060), (2084, 10039230), (2605, 8031384), (2648, 7900965), (2696, 7760295), (2979, 7023080), (3033, 6898040), (3126, 6692820), (3310, 6320772), (3370, 6208236), (3972, 5267310), (4044, 5173530), (4168, 5019615), (4689, 4461880), (4965, 4213848), (5055, 4138824), (5210, 4015692), (5958, 3511540), (6066, 3449020), (6252, 3346410), (6620, 3160386), (6740, 3104118), (7815, 2677128), (7944, 2633655), (8088, 2586765), (9378, 2230940), (9930, 2106924), (10110, 2069412), (10420, 2007846), (11916, 1755770), (12132, 1724510), (12504, 1673205), (13240, 1580193), (13480, 1552059), (14895, 1404616), (15165, 1379608), (15630, 1338564), (18756, 1115470), (19860, 1053462), (20220, 1034706), (20840, 1003923), (23445, 892376), (23832, 877885), (24264, 862255), (29790, 702308), (30330, 689804), (31260, 669282), (37512, 557735), (39720, 526731), (40440, 517353), (46890, 446188), (59580, 351154), (60660, 344902), (62520, 334641), (93780, 223094), (111547, 187560), (119160, 175577), (121320, 172451)]