20004721968

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{18859}}^1$

素因数の和:18936

約数の個数: 240

約数和(自身を含む): 67184449920

約数和(自身を除く): 47179727952

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 41, 42, 44, 48, 49, 56, 66, 77, 82, 84, 88, 98, 112, 123, 132, 147, 154, 164, 168, 176, 196, 231, 246, 264, 287, 294, 308, 328, 336, 392, 451, 462, 492, 528, 539, 574, 588, 616, 656, 784, 861, 902, 924, 984, 1078, 1148, 1176, 1232, 1353, 1617, 1722, 1804, 1848, 1968, 2009, 2156, 2296, 2352, 2706, 3157, 3234, 3444, 3608, 3696, 4018, 4312, 4592, 5412, 6027, 6314, 6468, 6888, 7216, 8036, 8624, 9471, 10824, 12054, 12628, 12936, 13776, 16072, 18859, 18942, 21648, 22099, 24108, 25256, 25872, 32144, 37718, 37884, 44198, 48216, 50512, 56577, 66297, 75436, 75768, 88396, 96432, 113154, 132013, 132594, 150872, 151536, 176792, 207449, 226308, 264026, 265188, 301744, 353584, 396039, 414898, 452616, 528052, 530376, 622347, 773219, 792078, 829796, 905232, 924091, 1056104, 1060752, 1244694, 1452143, 1546438, 1584156, 1659592, 1848182, 2112208, 2319657, 2489388, 2772273, 2904286, 3092876, 3168312, 3319184, 3696364, 4356429, 4639314, 4978776, 5412533, 5544546, 5808572, 6185752, 6336624, 7392728, 8505409, 8712858, 9278628, 9957552, 10165001, 10825066, 11089092, 11617144, 12371504, 14785456, 16237599, 17010818, 17425716, 18557256, 20330002, 21650132, 22178184, 23234288, 25516227, 30495003, 32475198, 34021636, 34851432, 37114512, 37887731, 40660004, 43300264, 44356368, 51032454, 59537863, 60990006, 64950396, 68043272, 69702864, 75775462, 81320008, 86600528, 102064908, 113663193, 119075726, 121980012, 129900792, 136086544, 151550924, 162640016, 178613589, 204129816, 227326386, 238151452, 243960024, 259801584, 303101848, 357227178, 408259632, 416765041, 454652772, 476302904, 487920048, 606203696, 714454356, 833530082, 909305544, 952605808, 1250295123, 1428908712, 1667060164, 1818611088, 2500590246, 2857817424, 3334120328, 5001180492, 6668240656, 10002360984, 20004721968]

約数ペア:

[(1, 20004721968), (2, 10002360984), (3, 6668240656), (4, 5001180492), (6, 3334120328), (7, 2857817424), (8, 2500590246), (11, 1818611088), (12, 1667060164), (14, 1428908712), (16, 1250295123), (21, 952605808), (22, 909305544), (24, 833530082), (28, 714454356), (33, 606203696), (41, 487920048), (42, 476302904), (44, 454652772), (48, 416765041), (49, 408259632), (56, 357227178), (66, 303101848), (77, 259801584), (82, 243960024), (84, 238151452), (88, 227326386), (98, 204129816), (112, 178613589), (123, 162640016), (132, 151550924), (147, 136086544), (154, 129900792), (164, 121980012), (168, 119075726), (176, 113663193), (196, 102064908), (231, 86600528), (246, 81320008), (264, 75775462), (287, 69702864), (294, 68043272), (308, 64950396), (328, 60990006), (336, 59537863), (392, 51032454), (451, 44356368), (462, 43300264), (492, 40660004), (528, 37887731), (539, 37114512), (574, 34851432), (588, 34021636), (616, 32475198), (656, 30495003), (784, 25516227), (861, 23234288), (902, 22178184), (924, 21650132), (984, 20330002), (1078, 18557256), (1148, 17425716), (1176, 17010818), (1232, 16237599), (1353, 14785456), (1617, 12371504), (1722, 11617144), (1804, 11089092), (1848, 10825066), (1968, 10165001), (2009, 9957552), (2156, 9278628), (2296, 8712858), (2352, 8505409), (2706, 7392728), (3157, 6336624), (3234, 6185752), (3444, 5808572), (3608, 5544546), (3696, 5412533), (4018, 4978776), (4312, 4639314), (4592, 4356429), (5412, 3696364), (6027, 3319184), (6314, 3168312), (6468, 3092876), (6888, 2904286), (7216, 2772273), (8036, 2489388), (8624, 2319657), (9471, 2112208), (10824, 1848182), (12054, 1659592), (12628, 1584156), (12936, 1546438), (13776, 1452143), (16072, 1244694), (18859, 1060752), (18942, 1056104), (21648, 924091), (22099, 905232), (24108, 829796), (25256, 792078), (25872, 773219), (32144, 622347), (37718, 530376), (37884, 528052), (44198, 452616), (48216, 414898), (50512, 396039), (56577, 353584), (66297, 301744), (75436, 265188), (75768, 264026), (88396, 226308), (96432, 207449), (113154, 176792), (132013, 151536), (132594, 150872)]