20696497920

素因数分解:

$2^8\times 3^4\times 5^1\times 7^1\times {\mathrm{28517}}^1$

素因数の和:28557

約数の個数: 360

約数和(自身を含む): 84638229984

約数和(自身を除く): 63941732064

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 162, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 324, 336, 360, 378, 384, 405, 420, 432, 448, 480, 504, 540, 560, 567, 576, 630, 640, 648, 672, 720, 756, 768, 810, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1134, 1152, 1260, 1280, 1296, 1344, 1440, 1512, 1620, 1680, 1728, 1792, 1890, 1920, 2016, 2160, 2240, 2268, 2304, 2520, 2592, 2688, 2835, 2880, 3024, 3240, 3360, 3456, 3780, 3840, 4032, 4320, 4480, 4536, 5040, 5184, 5376, 5670, 5760, 6048, 6480, 6720, 6912, 7560, 8064, 8640, 8960, 9072, 10080, 10368, 11340, 11520, 12096, 12960, 13440, 15120, 16128, 17280, 18144, 20160, 20736, 22680, 24192, 25920, 26880, 28517, 30240, 34560, 36288, 40320, 45360, 48384, 51840, 57034, 60480, 72576, 80640, 85551, 90720, 103680, 114068, 120960, 142585, 145152, 171102, 181440, 199619, 228136, 241920, 256653, 285170, 342204, 362880, 399238, 427755, 456272, 513306, 570340, 598857, 684408, 725760, 769959, 798476, 855510, 912544, 998095, 1026612, 1140680, 1197714, 1283265, 1368816, 1539918, 1596952, 1711020, 1796571, 1825088, 1996190, 2053224, 2281360, 2309877, 2395428, 2566530, 2737632, 2994285, 3079836, 3193904, 3422040, 3593142, 3650176, 3849795, 3992380, 4106448, 4562720, 4619754, 4790856, 5133060, 5389713, 5475264, 5988570, 6159672, 6387808, 6844080, 7186284, 7300352, 7699590, 7984760, 8212896, 8982855, 9125440, 9239508, 9581712, 10266120, 10779426, 10950528, 11549385, 11977140, 12319344, 12775616, 13688160, 14372568, 15399180, 15969520, 16169139, 16425792, 17965710, 18250880, 18479016, 19163424, 20532240, 21558852, 21901056, 23098770, 23954280, 24638688, 25551232, 26948565, 27376320, 28745136, 30798360, 31939040, 32338278, 32851584, 35931420, 36501760, 36958032, 38326848, 41064480, 43117704, 46197540, 47908560, 49277376, 51102464, 53897130, 54752640, 57490272, 61596720, 63878080, 64676556, 65703168, 71862840, 73916064, 76653696, 80845695, 82128960, 86235408, 92395080, 95817120, 98554752, 107794260, 109505280, 114980544, 123193440, 127756160, 129353112, 143725680, 147832128, 153307392, 161691390, 164257920, 172470816, 184790160, 191634240, 197109504, 215588520, 229961088, 246386880, 255512320, 258706224, 287451360, 295664256, 323382780, 328515840, 344941632, 369580320, 383268480, 431177040, 459922176, 492773760, 517412448, 574902720, 591328512, 646765560, 689883264, 739160640, 766536960, 862354080, 985547520, 1034824896, 1149805440, 1293531120, 1379766528, 1478321280, 1724708160, 2069649792, 2299610880, 2587062240, 2956642560, 3449416320, 4139299584, 5174124480, 6898832640, 10348248960, 20696497920]

約数ペア:

[(1, 20696497920), (2, 10348248960), (3, 6898832640), (4, 5174124480), (5, 4139299584), (6, 3449416320), (7, 2956642560), (8, 2587062240), (9, 2299610880), (10, 2069649792), (12, 1724708160), (14, 1478321280), (15, 1379766528), (16, 1293531120), (18, 1149805440), (20, 1034824896), (21, 985547520), (24, 862354080), (27, 766536960), (28, 739160640), (30, 689883264), (32, 646765560), (35, 591328512), (36, 574902720), (40, 517412448), (42, 492773760), (45, 459922176), (48, 431177040), (54, 383268480), (56, 369580320), (60, 344941632), (63, 328515840), (64, 323382780), (70, 295664256), (72, 287451360), (80, 258706224), (81, 255512320), (84, 246386880), (90, 229961088), (96, 215588520), (105, 197109504), (108, 191634240), (112, 184790160), (120, 172470816), (126, 164257920), (128, 161691390), (135, 153307392), (140, 147832128), (144, 143725680), (160, 129353112), (162, 127756160), (168, 123193440), (180, 114980544), (189, 109505280), (192, 107794260), (210, 98554752), (216, 95817120), (224, 92395080), (240, 86235408), (252, 82128960), (256, 80845695), (270, 76653696), (280, 73916064), (288, 71862840), (315, 65703168), (320, 64676556), (324, 63878080), (336, 61596720), (360, 57490272), (378, 54752640), (384, 53897130), (405, 51102464), (420, 49277376), (432, 47908560), (448, 46197540), (480, 43117704), (504, 41064480), (540, 38326848), (560, 36958032), (567, 36501760), (576, 35931420), (630, 32851584), (640, 32338278), (648, 31939040), (672, 30798360), (720, 28745136), (756, 27376320), (768, 26948565), (810, 25551232), (840, 24638688), (864, 23954280), (896, 23098770), (945, 21901056), (960, 21558852), (1008, 20532240), (1080, 19163424), (1120, 18479016), (1134, 18250880), (1152, 17965710), (1260, 16425792), (1280, 16169139), (1296, 15969520), (1344, 15399180), (1440, 14372568), (1512, 13688160), (1620, 12775616), (1680, 12319344), (1728, 11977140), (1792, 11549385), (1890, 10950528), (1920, 10779426), (2016, 10266120), (2160, 9581712), (2240, 9239508), (2268, 9125440), (2304, 8982855), (2520, 8212896), (2592, 7984760), (2688, 7699590), (2835, 7300352), (2880, 7186284), (3024, 6844080), (3240, 6387808), (3360, 6159672), (3456, 5988570), (3780, 5475264), (3840, 5389713), (4032, 5133060), (4320, 4790856), (4480, 4619754), (4536, 4562720), (5040, 4106448), (5184, 3992380), (5376, 3849795), (5670, 3650176), (5760, 3593142), (6048, 3422040), (6480, 3193904), (6720, 3079836), (6912, 2994285), (7560, 2737632), (8064, 2566530), (8640, 2395428), (8960, 2309877), (9072, 2281360), (10080, 2053224), (10368, 1996190), (11340, 1825088), (11520, 1796571), (12096, 1711020), (12960, 1596952), (13440, 1539918), (15120, 1368816), (16128, 1283265), (17280, 1197714), (18144, 1140680), (20160, 1026612), (20736, 998095), (22680, 912544), (24192, 855510), (25920, 798476), (26880, 769959), (28517, 725760), (30240, 684408), (34560, 598857), (36288, 570340), (40320, 513306), (45360, 456272), (48384, 427755), (51840, 399238), (57034, 362880), (60480, 342204), (72576, 285170), (80640, 256653), (85551, 241920), (90720, 228136), (103680, 199619), (114068, 181440), (120960, 171102), (142585, 145152)]