20415186880

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{797}}^1$

素因数の和:1227

約数の個数: 224

約数和(自身を含む): 56040284160

約数和(自身を除く): 35625097280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 152, 160, 176, 190, 209, 220, 304, 320, 352, 380, 383, 418, 440, 608, 704, 760, 766, 797, 836, 880, 1045, 1216, 1520, 1532, 1594, 1672, 1760, 1915, 2090, 3040, 3064, 3188, 3344, 3520, 3830, 3985, 4180, 4213, 6080, 6128, 6376, 6688, 7277, 7660, 7970, 8360, 8426, 8767, 12256, 12752, 13376, 14554, 15143, 15320, 15940, 16720, 16852, 17534, 21065, 24512, 25504, 29108, 30286, 30640, 31880, 33440, 33704, 35068, 36385, 42130, 43835, 51008, 58216, 60572, 61280, 63760, 66880, 67408, 70136, 72770, 75715, 80047, 84260, 87670, 116432, 121144, 122560, 127520, 134816, 140272, 145540, 151430, 160094, 166573, 168520, 175340, 232864, 242288, 255040, 269632, 280544, 291080, 302860, 305251, 320188, 333146, 337040, 350680, 400235, 465728, 484576, 561088, 582160, 605720, 610502, 640376, 666292, 674080, 701360, 800470, 832865, 969152, 1164320, 1211440, 1221004, 1280752, 1332584, 1348160, 1402720, 1526255, 1600940, 1665730, 2328640, 2422880, 2442008, 2561504, 2665168, 2805440, 3052510, 3201880, 3331460, 3357761, 4845760, 4884016, 5123008, 5330336, 5799769, 6105020, 6403760, 6662920, 6715522, 9768032, 10660672, 11599538, 12210040, 12807520, 13325840, 13431044, 16788805, 19536064, 23199076, 24420080, 25615040, 26651680, 26862088, 28998845, 33577610, 46398152, 48840160, 53303360, 53724176, 57997690, 63797459, 67155220, 92796304, 97680320, 107448352, 115995380, 127594918, 134310440, 185592608, 214896704, 231990760, 255189836, 268620880, 318987295, 371185216, 463981520, 510379672, 537241760, 637974590, 927963040, 1020759344, 1074483520, 1275949180, 1855926080, 2041518688, 2551898360, 4083037376, 5103796720, 10207593440, 20415186880]

約数ペア:

[(1, 20415186880), (2, 10207593440), (4, 5103796720), (5, 4083037376), (8, 2551898360), (10, 2041518688), (11, 1855926080), (16, 1275949180), (19, 1074483520), (20, 1020759344), (22, 927963040), (32, 637974590), (38, 537241760), (40, 510379672), (44, 463981520), (55, 371185216), (64, 318987295), (76, 268620880), (80, 255189836), (88, 231990760), (95, 214896704), (110, 185592608), (152, 134310440), (160, 127594918), (176, 115995380), (190, 107448352), (209, 97680320), (220, 92796304), (304, 67155220), (320, 63797459), (352, 57997690), (380, 53724176), (383, 53303360), (418, 48840160), (440, 46398152), (608, 33577610), (704, 28998845), (760, 26862088), (766, 26651680), (797, 25615040), (836, 24420080), (880, 23199076), (1045, 19536064), (1216, 16788805), (1520, 13431044), (1532, 13325840), (1594, 12807520), (1672, 12210040), (1760, 11599538), (1915, 10660672), (2090, 9768032), (3040, 6715522), (3064, 6662920), (3188, 6403760), (3344, 6105020), (3520, 5799769), (3830, 5330336), (3985, 5123008), (4180, 4884016), (4213, 4845760), (6080, 3357761), (6128, 3331460), (6376, 3201880), (6688, 3052510), (7277, 2805440), (7660, 2665168), (7970, 2561504), (8360, 2442008), (8426, 2422880), (8767, 2328640), (12256, 1665730), (12752, 1600940), (13376, 1526255), (14554, 1402720), (15143, 1348160), (15320, 1332584), (15940, 1280752), (16720, 1221004), (16852, 1211440), (17534, 1164320), (21065, 969152), (24512, 832865), (25504, 800470), (29108, 701360), (30286, 674080), (30640, 666292), (31880, 640376), (33440, 610502), (33704, 605720), (35068, 582160), (36385, 561088), (42130, 484576), (43835, 465728), (51008, 400235), (58216, 350680), (60572, 337040), (61280, 333146), (63760, 320188), (66880, 305251), (67408, 302860), (70136, 291080), (72770, 280544), (75715, 269632), (80047, 255040), (84260, 242288), (87670, 232864), (116432, 175340), (121144, 168520), (122560, 166573), (127520, 160094), (134816, 151430), (140272, 145540)]