20797716480

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21839}}^1$

素因数の和:21900

約数の個数: 192

約数和(自身を含む): 68685926400

約数和(自身を除く): 47888209920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 512, 620, 640, 744, 768, 930, 960, 992, 1024, 1240, 1280, 1488, 1536, 1860, 1920, 1984, 2048, 2480, 2560, 2976, 3072, 3720, 3840, 3968, 4960, 5120, 5952, 6144, 7440, 7680, 7936, 9920, 10240, 11904, 14880, 15360, 15872, 19840, 21839, 23808, 29760, 30720, 31744, 39680, 43678, 47616, 59520, 63488, 65517, 79360, 87356, 95232, 109195, 119040, 131034, 158720, 174712, 190464, 218390, 238080, 262068, 317440, 327585, 349424, 436780, 476160, 524136, 655170, 677009, 698848, 873560, 952320, 1048272, 1310340, 1354018, 1397696, 1747120, 2031027, 2096544, 2620680, 2708036, 2795392, 3385045, 3494240, 4062054, 4193088, 5241360, 5416072, 5590784, 6770090, 6988480, 8124108, 8386176, 10155135, 10482720, 10832144, 11181568, 13540180, 13976960, 16248216, 16772352, 20310270, 20965440, 21664288, 22363136, 27080360, 27953920, 32496432, 33544704, 40620540, 41930880, 43328576, 44726272, 54160720, 55907840, 64992864, 67089408, 81241080, 83861760, 86657152, 108321440, 111815680, 129985728, 134178816, 162482160, 167723520, 173314304, 216642880, 223631360, 259971456, 324964320, 335447040, 346628608, 433285760, 519942912, 649928640, 670894080, 693257216, 866571520, 1039885824, 1299857280, 1386514432, 1733143040, 2079771648, 2599714560, 3466286080, 4159543296, 5199429120, 6932572160, 10398858240, 20797716480]

約数ペア:

[(1, 20797716480), (2, 10398858240), (3, 6932572160), (4, 5199429120), (5, 4159543296), (6, 3466286080), (8, 2599714560), (10, 2079771648), (12, 1733143040), (15, 1386514432), (16, 1299857280), (20, 1039885824), (24, 866571520), (30, 693257216), (31, 670894080), (32, 649928640), (40, 519942912), (48, 433285760), (60, 346628608), (62, 335447040), (64, 324964320), (80, 259971456), (93, 223631360), (96, 216642880), (120, 173314304), (124, 167723520), (128, 162482160), (155, 134178816), (160, 129985728), (186, 111815680), (192, 108321440), (240, 86657152), (248, 83861760), (256, 81241080), (310, 67089408), (320, 64992864), (372, 55907840), (384, 54160720), (465, 44726272), (480, 43328576), (496, 41930880), (512, 40620540), (620, 33544704), (640, 32496432), (744, 27953920), (768, 27080360), (930, 22363136), (960, 21664288), (992, 20965440), (1024, 20310270), (1240, 16772352), (1280, 16248216), (1488, 13976960), (1536, 13540180), (1860, 11181568), (1920, 10832144), (1984, 10482720), (2048, 10155135), (2480, 8386176), (2560, 8124108), (2976, 6988480), (3072, 6770090), (3720, 5590784), (3840, 5416072), (3968, 5241360), (4960, 4193088), (5120, 4062054), (5952, 3494240), (6144, 3385045), (7440, 2795392), (7680, 2708036), (7936, 2620680), (9920, 2096544), (10240, 2031027), (11904, 1747120), (14880, 1397696), (15360, 1354018), (15872, 1310340), (19840, 1048272), (21839, 952320), (23808, 873560), (29760, 698848), (30720, 677009), (31744, 655170), (39680, 524136), (43678, 476160), (47616, 436780), (59520, 349424), (63488, 327585), (65517, 317440), (79360, 262068), (87356, 238080), (95232, 218390), (109195, 190464), (119040, 174712), (131034, 158720)]