20904948960

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{365983}}^1$

素因数の和:366025

約数の個数: 192

約数和(自身を含む): 79684964352

約数和(自身を除く): 58780015392

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 96, 102, 105, 112, 119, 120, 136, 140, 160, 168, 170, 204, 210, 224, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 480, 510, 544, 560, 595, 672, 680, 714, 816, 840, 952, 1020, 1120, 1190, 1360, 1428, 1632, 1680, 1785, 1904, 2040, 2380, 2720, 2856, 3360, 3570, 3808, 4080, 4760, 5712, 7140, 8160, 9520, 11424, 14280, 19040, 28560, 57120, 365983, 731966, 1097949, 1463932, 1829915, 2195898, 2561881, 2927864, 3659830, 4391796, 5123762, 5489745, 5855728, 6221711, 7319660, 7685643, 8783592, 10247524, 10979490, 11711456, 12443422, 12809405, 14639320, 15371286, 17567184, 18665133, 20495048, 21958980, 24886844, 25618810, 29278640, 30742572, 31108555, 35134368, 37330266, 38428215, 40990096, 43551977, 43917960, 49773688, 51237620, 58557280, 61485144, 62217110, 74660532, 76856430, 81980192, 87103954, 87835920, 93325665, 99547376, 102475240, 122970288, 124434220, 130655931, 149321064, 153712860, 174207908, 175671840, 186651330, 199094752, 204950480, 217759885, 245940576, 248868440, 261311862, 298642128, 307425720, 348415816, 373302660, 409900960, 435519770, 497736880, 522623724, 597284256, 614851440, 653279655, 696831632, 746605320, 871039540, 995473760, 1045247448, 1229702880, 1306559310, 1393663264, 1493210640, 1742079080, 2090494896, 2613118620, 2986421280, 3484158160, 4180989792, 5226237240, 6968316320, 10452474480, 20904948960]

約数ペア:

[(1, 20904948960), (2, 10452474480), (3, 6968316320), (4, 5226237240), (5, 4180989792), (6, 3484158160), (7, 2986421280), (8, 2613118620), (10, 2090494896), (12, 1742079080), (14, 1493210640), (15, 1393663264), (16, 1306559310), (17, 1229702880), (20, 1045247448), (21, 995473760), (24, 871039540), (28, 746605320), (30, 696831632), (32, 653279655), (34, 614851440), (35, 597284256), (40, 522623724), (42, 497736880), (48, 435519770), (51, 409900960), (56, 373302660), (60, 348415816), (68, 307425720), (70, 298642128), (80, 261311862), (84, 248868440), (85, 245940576), (96, 217759885), (102, 204950480), (105, 199094752), (112, 186651330), (119, 175671840), (120, 174207908), (136, 153712860), (140, 149321064), (160, 130655931), (168, 124434220), (170, 122970288), (204, 102475240), (210, 99547376), (224, 93325665), (238, 87835920), (240, 87103954), (255, 81980192), (272, 76856430), (280, 74660532), (336, 62217110), (340, 61485144), (357, 58557280), (408, 51237620), (420, 49773688), (476, 43917960), (480, 43551977), (510, 40990096), (544, 38428215), (560, 37330266), (595, 35134368), (672, 31108555), (680, 30742572), (714, 29278640), (816, 25618810), (840, 24886844), (952, 21958980), (1020, 20495048), (1120, 18665133), (1190, 17567184), (1360, 15371286), (1428, 14639320), (1632, 12809405), (1680, 12443422), (1785, 11711456), (1904, 10979490), (2040, 10247524), (2380, 8783592), (2720, 7685643), (2856, 7319660), (3360, 6221711), (3570, 5855728), (3808, 5489745), (4080, 5123762), (4760, 4391796), (5712, 3659830), (7140, 2927864), (8160, 2561881), (9520, 2195898), (11424, 1829915), (14280, 1463932), (19040, 1097949), (28560, 731966), (57120, 365983)]