20395033920

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{7369}}^1$

素因数の和:7454

約数の個数: 252

約数和(自身を含む): 72496169460

約数和(自身を除く): 52101135540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 192, 240, 248, 279, 288, 310, 320, 360, 372, 465, 480, 496, 558, 576, 620, 720, 744, 930, 960, 961, 992, 1116, 1240, 1395, 1440, 1488, 1860, 1922, 1984, 2232, 2480, 2790, 2880, 2883, 2976, 3720, 3844, 4464, 4805, 4960, 5580, 5766, 5952, 7369, 7440, 7688, 8649, 8928, 9610, 9920, 11160, 11532, 14415, 14738, 14880, 15376, 17298, 17856, 19220, 22107, 22320, 23064, 28830, 29476, 29760, 30752, 34596, 36845, 38440, 43245, 44214, 44640, 46128, 57660, 58952, 61504, 66321, 69192, 73690, 76880, 86490, 88428, 89280, 92256, 110535, 115320, 117904, 132642, 138384, 147380, 153760, 172980, 176856, 184512, 221070, 228439, 230640, 235808, 265284, 276768, 294760, 307520, 331605, 345960, 353712, 442140, 456878, 461280, 471616, 530568, 553536, 589520, 663210, 685317, 691920, 707424, 884280, 913756, 922560, 1061136, 1142195, 1179040, 1326420, 1370634, 1383840, 1414848, 1768560, 1827512, 2055951, 2122272, 2284390, 2358080, 2652840, 2741268, 2767680, 3426585, 3537120, 3655024, 4111902, 4244544, 4568780, 5305680, 5482536, 6853170, 7074240, 7081609, 7310048, 8223804, 9137560, 10279755, 10611360, 10965072, 13706340, 14163218, 14620096, 16447608, 18275120, 20559510, 21222720, 21244827, 21930144, 27412680, 28326436, 32895216, 35408045, 36550240, 41119020, 42489654, 43860288, 54825360, 56652872, 63734481, 65790432, 70816090, 73100480, 82238040, 84979308, 106224135, 109650720, 113305744, 127468962, 131580864, 141632180, 164476080, 169958616, 212448270, 219301440, 226611488, 254937924, 283264360, 318672405, 328952160, 339917232, 424896540, 453222976, 509875848, 566528720, 637344810, 657904320, 679834464, 849793080, 1019751696, 1133057440, 1274689620, 1359668928, 1699586160, 2039503392, 2266114880, 2549379240, 3399172320, 4079006784, 5098758480, 6798344640, 10197516960, 20395033920]

約数ペア:

[(1, 20395033920), (2, 10197516960), (3, 6798344640), (4, 5098758480), (5, 4079006784), (6, 3399172320), (8, 2549379240), (9, 2266114880), (10, 2039503392), (12, 1699586160), (15, 1359668928), (16, 1274689620), (18, 1133057440), (20, 1019751696), (24, 849793080), (30, 679834464), (31, 657904320), (32, 637344810), (36, 566528720), (40, 509875848), (45, 453222976), (48, 424896540), (60, 339917232), (62, 328952160), (64, 318672405), (72, 283264360), (80, 254937924), (90, 226611488), (93, 219301440), (96, 212448270), (120, 169958616), (124, 164476080), (144, 141632180), (155, 131580864), (160, 127468962), (180, 113305744), (186, 109650720), (192, 106224135), (240, 84979308), (248, 82238040), (279, 73100480), (288, 70816090), (310, 65790432), (320, 63734481), (360, 56652872), (372, 54825360), (465, 43860288), (480, 42489654), (496, 41119020), (558, 36550240), (576, 35408045), (620, 32895216), (720, 28326436), (744, 27412680), (930, 21930144), (960, 21244827), (961, 21222720), (992, 20559510), (1116, 18275120), (1240, 16447608), (1395, 14620096), (1440, 14163218), (1488, 13706340), (1860, 10965072), (1922, 10611360), (1984, 10279755), (2232, 9137560), (2480, 8223804), (2790, 7310048), (2880, 7081609), (2883, 7074240), (2976, 6853170), (3720, 5482536), (3844, 5305680), (4464, 4568780), (4805, 4244544), (4960, 4111902), (5580, 3655024), (5766, 3537120), (5952, 3426585), (7369, 2767680), (7440, 2741268), (7688, 2652840), (8649, 2358080), (8928, 2284390), (9610, 2122272), (9920, 2055951), (11160, 1827512), (11532, 1768560), (14415, 1414848), (14738, 1383840), (14880, 1370634), (15376, 1326420), (17298, 1179040), (17856, 1142195), (19220, 1061136), (22107, 922560), (22320, 913756), (23064, 884280), (28830, 707424), (29476, 691920), (29760, 685317), (30752, 663210), (34596, 589520), (36845, 553536), (38440, 530568), (43245, 471616), (44214, 461280), (44640, 456878), (46128, 442140), (57660, 353712), (58952, 345960), (61504, 331605), (66321, 307520), (69192, 294760), (73690, 276768), (76880, 265284), (86490, 235808), (88428, 230640), (89280, 228439), (92256, 221070), (110535, 184512), (115320, 176856), (117904, 172980), (132642, 153760), (138384, 147380)]