20019486720

素因数分解:

$2^{13}\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{827}}^1$

素因数の和:1058

約数の個数: 224

約数和(自身を含む): 64461469248

約数和(自身を除く): 44441982528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 197, 240, 256, 320, 384, 394, 480, 512, 591, 640, 768, 788, 827, 960, 985, 1024, 1182, 1280, 1536, 1576, 1654, 1920, 1970, 2048, 2364, 2481, 2560, 2955, 3072, 3152, 3308, 3840, 3940, 4096, 4135, 4728, 4962, 5120, 5910, 6144, 6304, 6616, 7680, 7880, 8192, 8270, 9456, 9924, 10240, 11820, 12288, 12405, 12608, 13232, 15360, 15760, 16540, 18912, 19848, 20480, 23640, 24576, 24810, 25216, 26464, 30720, 31520, 33080, 37824, 39696, 40960, 47280, 49620, 50432, 52928, 61440, 63040, 66160, 75648, 79392, 94560, 99240, 100864, 105856, 122880, 126080, 132320, 151296, 158784, 162919, 189120, 198480, 201728, 211712, 252160, 264640, 302592, 317568, 325838, 378240, 396960, 403456, 423424, 488757, 504320, 529280, 605184, 635136, 651676, 756480, 793920, 806912, 814595, 846848, 977514, 1008640, 1058560, 1210368, 1270272, 1303352, 1512960, 1587840, 1613824, 1629190, 1693696, 1955028, 2017280, 2117120, 2420736, 2443785, 2540544, 2606704, 3025920, 3175680, 3258380, 3387392, 3910056, 4034560, 4234240, 4841472, 4887570, 5081088, 5213408, 6051840, 6351360, 6516760, 6774784, 7820112, 8069120, 8468480, 9775140, 10162176, 10426816, 12103680, 12702720, 13033520, 15640224, 16936960, 19550280, 20324352, 20853632, 24207360, 25405440, 26067040, 31280448, 33873920, 39100560, 41707264, 50810880, 52134080, 62560896, 78201120, 83414528, 101621760, 104268160, 125121792, 156402240, 166829056, 208536320, 250243584, 312804480, 333658112, 417072640, 500487168, 625608960, 667316224, 834145280, 1000974336, 1251217920, 1334632448, 1668290560, 2001948672, 2502435840, 3336581120, 4003897344, 5004871680, 6673162240, 10009743360, 20019486720]

約数ペア:

[(1, 20019486720), (2, 10009743360), (3, 6673162240), (4, 5004871680), (5, 4003897344), (6, 3336581120), (8, 2502435840), (10, 2001948672), (12, 1668290560), (15, 1334632448), (16, 1251217920), (20, 1000974336), (24, 834145280), (30, 667316224), (32, 625608960), (40, 500487168), (48, 417072640), (60, 333658112), (64, 312804480), (80, 250243584), (96, 208536320), (120, 166829056), (128, 156402240), (160, 125121792), (192, 104268160), (197, 101621760), (240, 83414528), (256, 78201120), (320, 62560896), (384, 52134080), (394, 50810880), (480, 41707264), (512, 39100560), (591, 33873920), (640, 31280448), (768, 26067040), (788, 25405440), (827, 24207360), (960, 20853632), (985, 20324352), (1024, 19550280), (1182, 16936960), (1280, 15640224), (1536, 13033520), (1576, 12702720), (1654, 12103680), (1920, 10426816), (1970, 10162176), (2048, 9775140), (2364, 8468480), (2481, 8069120), (2560, 7820112), (2955, 6774784), (3072, 6516760), (3152, 6351360), (3308, 6051840), (3840, 5213408), (3940, 5081088), (4096, 4887570), (4135, 4841472), (4728, 4234240), (4962, 4034560), (5120, 3910056), (5910, 3387392), (6144, 3258380), (6304, 3175680), (6616, 3025920), (7680, 2606704), (7880, 2540544), (8192, 2443785), (8270, 2420736), (9456, 2117120), (9924, 2017280), (10240, 1955028), (11820, 1693696), (12288, 1629190), (12405, 1613824), (12608, 1587840), (13232, 1512960), (15360, 1303352), (15760, 1270272), (16540, 1210368), (18912, 1058560), (19848, 1008640), (20480, 977514), (23640, 846848), (24576, 814595), (24810, 806912), (25216, 793920), (26464, 756480), (30720, 651676), (31520, 635136), (33080, 605184), (37824, 529280), (39696, 504320), (40960, 488757), (47280, 423424), (49620, 403456), (50432, 396960), (52928, 378240), (61440, 325838), (63040, 317568), (66160, 302592), (75648, 264640), (79392, 252160), (94560, 211712), (99240, 201728), (100864, 198480), (105856, 189120), (122880, 162919), (126080, 158784), (132320, 151296)]