20487060720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^5\times {\mathrm{1693}}^1$

素因数の和:1747

約数の個数: 360

約数和(自身を含む): 80316171936

約数和(自身を除く): 59829111216

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 343, 360, 392, 420, 441, 490, 504, 560, 588, 630, 686, 720, 735, 784, 840, 882, 980, 1008, 1029, 1176, 1260, 1372, 1470, 1680, 1693, 1715, 1764, 1960, 2058, 2205, 2352, 2401, 2520, 2744, 2940, 3087, 3386, 3430, 3528, 3920, 4116, 4410, 4802, 5040, 5079, 5145, 5488, 5880, 6174, 6772, 6860, 7056, 7203, 8232, 8465, 8820, 9604, 10158, 10290, 11760, 11851, 12005, 12348, 13544, 13720, 14406, 15237, 15435, 16464, 16807, 16930, 17640, 19208, 20316, 20580, 21609, 23702, 24010, 24696, 25395, 27088, 27440, 28812, 30474, 30870, 33614, 33860, 35280, 35553, 36015, 38416, 40632, 41160, 43218, 47404, 48020, 49392, 50421, 50790, 57624, 59255, 60948, 61740, 67228, 67720, 71106, 72030, 76185, 81264, 82320, 82957, 84035, 86436, 94808, 96040, 100842, 101580, 106659, 108045, 115248, 118510, 121896, 123480, 134456, 135440, 142212, 144060, 151263, 152370, 165914, 168070, 172872, 177765, 189616, 192080, 201684, 203160, 213318, 216090, 237020, 243792, 246960, 248871, 252105, 268912, 284424, 288120, 302526, 304740, 331828, 336140, 345744, 355530, 403368, 406320, 414785, 426636, 432180, 474040, 497742, 504210, 533295, 568848, 576240, 580699, 605052, 609480, 663656, 672280, 711060, 746613, 756315, 806736, 829570, 853272, 864360, 948080, 995484, 1008420, 1066590, 1161398, 1210104, 1218960, 1244355, 1327312, 1344560, 1422120, 1493226, 1512630, 1659140, 1706544, 1728720, 1742097, 1990968, 2016840, 2133180, 2322796, 2420208, 2488710, 2844240, 2903495, 2986452, 3025260, 3318280, 3484194, 3733065, 3981936, 4033680, 4064893, 4266360, 4645592, 4977420, 5226291, 5806990, 5972904, 6050520, 6636560, 6968388, 7466130, 8129786, 8532720, 8710485, 9291184, 9954840, 10452582, 11613980, 11945808, 12101040, 12194679, 13936776, 14932260, 16259572, 17420970, 19909680, 20324465, 20905164, 23227960, 24389358, 26131455, 27873552, 28454251, 29864520, 32519144, 34841940, 36584037, 40648930, 41810328, 46455920, 48778716, 52262910, 56908502, 59729040, 60973395, 65038288, 69683880, 73168074, 81297860, 83620656, 85362753, 97557432, 104525820, 113817004, 121946790, 139367760, 142271255, 146336148, 162595720, 170725506, 182920185, 195114864, 209051640, 227634008, 243893580, 256088259, 284542510, 292672296, 325191440, 341451012, 365840370, 418103280, 426813765, 455268016, 487787160, 512176518, 569085020, 585344592, 682902024, 731680740, 853627530, 975574320, 1024353036, 1138170040, 1280441295, 1365804048, 1463361480, 1707255060, 2048706072, 2276340080, 2560882590, 2926722960, 3414510120, 4097412144, 5121765180, 6829020240, 10243530360, 20487060720]

約数ペア:

[(1, 20487060720), (2, 10243530360), (3, 6829020240), (4, 5121765180), (5, 4097412144), (6, 3414510120), (7, 2926722960), (8, 2560882590), (9, 2276340080), (10, 2048706072), (12, 1707255060), (14, 1463361480), (15, 1365804048), (16, 1280441295), (18, 1138170040), (20, 1024353036), (21, 975574320), (24, 853627530), (28, 731680740), (30, 682902024), (35, 585344592), (36, 569085020), (40, 512176518), (42, 487787160), (45, 455268016), (48, 426813765), (49, 418103280), (56, 365840370), (60, 341451012), (63, 325191440), (70, 292672296), (72, 284542510), (80, 256088259), (84, 243893580), (90, 227634008), (98, 209051640), (105, 195114864), (112, 182920185), (120, 170725506), (126, 162595720), (140, 146336148), (144, 142271255), (147, 139367760), (168, 121946790), (180, 113817004), (196, 104525820), (210, 97557432), (240, 85362753), (245, 83620656), (252, 81297860), (280, 73168074), (294, 69683880), (315, 65038288), (336, 60973395), (343, 59729040), (360, 56908502), (392, 52262910), (420, 48778716), (441, 46455920), (490, 41810328), (504, 40648930), (560, 36584037), (588, 34841940), (630, 32519144), (686, 29864520), (720, 28454251), (735, 27873552), (784, 26131455), (840, 24389358), (882, 23227960), (980, 20905164), (1008, 20324465), (1029, 19909680), (1176, 17420970), (1260, 16259572), (1372, 14932260), (1470, 13936776), (1680, 12194679), (1693, 12101040), (1715, 11945808), (1764, 11613980), (1960, 10452582), (2058, 9954840), (2205, 9291184), (2352, 8710485), (2401, 8532720), (2520, 8129786), (2744, 7466130), (2940, 6968388), (3087, 6636560), (3386, 6050520), (3430, 5972904), (3528, 5806990), (3920, 5226291), (4116, 4977420), (4410, 4645592), (4802, 4266360), (5040, 4064893), (5079, 4033680), (5145, 3981936), (5488, 3733065), (5880, 3484194), (6174, 3318280), (6772, 3025260), (6860, 2986452), (7056, 2903495), (7203, 2844240), (8232, 2488710), (8465, 2420208), (8820, 2322796), (9604, 2133180), (10158, 2016840), (10290, 1990968), (11760, 1742097), (11851, 1728720), (12005, 1706544), (12348, 1659140), (13544, 1512630), (13720, 1493226), (14406, 1422120), (15237, 1344560), (15435, 1327312), (16464, 1244355), (16807, 1218960), (16930, 1210104), (17640, 1161398), (19208, 1066590), (20316, 1008420), (20580, 995484), (21609, 948080), (23702, 864360), (24010, 853272), (24696, 829570), (25395, 806736), (27088, 756315), (27440, 746613), (28812, 711060), (30474, 672280), (30870, 663656), (33614, 609480), (33860, 605052), (35280, 580699), (35553, 576240), (36015, 568848), (38416, 533295), (40632, 504210), (41160, 497742), (43218, 474040), (47404, 432180), (48020, 426636), (49392, 414785), (50421, 406320), (50790, 403368), (57624, 355530), (59255, 345744), (60948, 336140), (61740, 331828), (67228, 304740), (67720, 302526), (71106, 288120), (72030, 284424), (76185, 268912), (81264, 252105), (82320, 248871), (82957, 246960), (84035, 243792), (86436, 237020), (94808, 216090), (96040, 213318), (100842, 203160), (101580, 201684), (106659, 192080), (108045, 189616), (115248, 177765), (118510, 172872), (121896, 168070), (123480, 165914), (134456, 152370), (135440, 151263), (142212, 144060)]