20998351872

素因数分解:

$2^{10}\times 3^4\times {\mathrm{383}}^1\times {\mathrm{661}}^1$

素因数の和:1076

約数の個数: 220

約数和(自身を含む): 62964016896

約数和(自身を除く): 41965665024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 256, 288, 324, 383, 384, 432, 512, 576, 648, 661, 766, 768, 864, 1024, 1149, 1152, 1296, 1322, 1532, 1536, 1728, 1983, 2298, 2304, 2592, 2644, 3064, 3072, 3447, 3456, 3966, 4596, 4608, 5184, 5288, 5949, 6128, 6894, 6912, 7932, 9192, 9216, 10341, 10368, 10576, 11898, 12256, 13788, 13824, 15864, 17847, 18384, 20682, 20736, 21152, 23796, 24512, 27576, 27648, 31023, 31728, 35694, 36768, 41364, 41472, 42304, 47592, 49024, 53541, 55152, 62046, 63456, 71388, 73536, 82728, 82944, 84608, 95184, 98048, 107082, 110304, 124092, 126912, 142776, 147072, 165456, 169216, 190368, 196096, 214164, 220608, 248184, 253163, 253824, 285552, 294144, 330912, 338432, 380736, 392192, 428328, 441216, 496368, 506326, 507648, 571104, 588288, 661824, 676864, 759489, 761472, 856656, 882432, 992736, 1012652, 1015296, 1142208, 1176576, 1323648, 1518978, 1522944, 1713312, 1764864, 1985472, 2025304, 2030592, 2278467, 2284416, 2647296, 3037956, 3045888, 3426624, 3529728, 3970944, 4050608, 4556934, 4568832, 5294592, 6075912, 6091776, 6835401, 6853248, 7941888, 8101216, 9113868, 9137664, 10589184, 12151824, 13670802, 13706496, 15883776, 16202432, 18227736, 18275328, 20506203, 24303648, 27341604, 27412992, 31767552, 32404864, 36455472, 41012406, 48607296, 54683208, 54825984, 64809728, 72910944, 82024812, 97214592, 109366416, 129619456, 145821888, 164049624, 194429184, 218732832, 259238912, 291643776, 328099248, 388858368, 437465664, 583287552, 656198496, 777716736, 874931328, 1166575104, 1312396992, 1749862656, 2333150208, 2624793984, 3499725312, 5249587968, 6999450624, 10499175936, 20998351872]

約数ペア:

[(1, 20998351872), (2, 10499175936), (3, 6999450624), (4, 5249587968), (6, 3499725312), (8, 2624793984), (9, 2333150208), (12, 1749862656), (16, 1312396992), (18, 1166575104), (24, 874931328), (27, 777716736), (32, 656198496), (36, 583287552), (48, 437465664), (54, 388858368), (64, 328099248), (72, 291643776), (81, 259238912), (96, 218732832), (108, 194429184), (128, 164049624), (144, 145821888), (162, 129619456), (192, 109366416), (216, 97214592), (256, 82024812), (288, 72910944), (324, 64809728), (383, 54825984), (384, 54683208), (432, 48607296), (512, 41012406), (576, 36455472), (648, 32404864), (661, 31767552), (766, 27412992), (768, 27341604), (864, 24303648), (1024, 20506203), (1149, 18275328), (1152, 18227736), (1296, 16202432), (1322, 15883776), (1532, 13706496), (1536, 13670802), (1728, 12151824), (1983, 10589184), (2298, 9137664), (2304, 9113868), (2592, 8101216), (2644, 7941888), (3064, 6853248), (3072, 6835401), (3447, 6091776), (3456, 6075912), (3966, 5294592), (4596, 4568832), (4608, 4556934), (5184, 4050608), (5288, 3970944), (5949, 3529728), (6128, 3426624), (6894, 3045888), (6912, 3037956), (7932, 2647296), (9192, 2284416), (9216, 2278467), (10341, 2030592), (10368, 2025304), (10576, 1985472), (11898, 1764864), (12256, 1713312), (13788, 1522944), (13824, 1518978), (15864, 1323648), (17847, 1176576), (18384, 1142208), (20682, 1015296), (20736, 1012652), (21152, 992736), (23796, 882432), (24512, 856656), (27576, 761472), (27648, 759489), (31023, 676864), (31728, 661824), (35694, 588288), (36768, 571104), (41364, 507648), (41472, 506326), (42304, 496368), (47592, 441216), (49024, 428328), (53541, 392192), (55152, 380736), (62046, 338432), (63456, 330912), (71388, 294144), (73536, 285552), (82728, 253824), (82944, 253163), (84608, 248184), (95184, 220608), (98048, 214164), (107082, 196096), (110304, 190368), (124092, 169216), (126912, 165456), (142776, 147072)]