20147401920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1\times {\mathrm{643}}^1$

素因数の和:1047

約数の個数: 224

約数和(自身を含む): 64823205888

約数和(自身を除く): 44675803968

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, 127, 160, 192, 240, 254, 257, 320, 381, 480, 508, 514, 635, 643, 762, 771, 960, 1016, 1028, 1270, 1285, 1286, 1524, 1542, 1905, 1929, 2032, 2056, 2540, 2570, 2572, 3048, 3084, 3215, 3810, 3855, 3858, 4064, 4112, 5080, 5140, 5144, 6096, 6168, 6430, 7620, 7710, 7716, 8128, 8224, 9645, 10160, 10280, 10288, 12192, 12336, 12860, 15240, 15420, 15432, 16448, 19290, 20320, 20560, 20576, 24384, 24672, 25720, 30480, 30840, 30864, 32639, 38580, 40640, 41120, 41152, 49344, 51440, 60960, 61680, 61728, 65278, 77160, 81661, 82240, 97917, 102880, 121920, 123360, 123456, 130556, 154320, 163195, 163322, 165251, 195834, 205760, 244983, 246720, 261112, 308640, 326390, 326644, 330502, 391668, 408305, 489585, 489966, 495753, 522224, 617280, 652780, 653288, 661004, 783336, 816610, 826255, 979170, 979932, 991506, 1044448, 1224915, 1305560, 1306576, 1322008, 1566672, 1633220, 1652510, 1958340, 1959864, 1983012, 2088896, 2449830, 2478765, 2611120, 2613152, 2644016, 3133344, 3266440, 3305020, 3916680, 3919728, 3966024, 4899660, 4957530, 5222240, 5226304, 5288032, 6266688, 6532880, 6610040, 7833360, 7839456, 7932048, 9799320, 9915060, 10444480, 10576064, 13065760, 13220080, 15666720, 15678912, 15864096, 19598640, 19830120, 20986877, 26131520, 26440160, 31333440, 31728192, 39197280, 39660240, 41973754, 52880320, 62960631, 78394560, 79320480, 83947508, 104934385, 125921262, 158640960, 167895016, 209868770, 251842524, 314803155, 335790032, 419737540, 503685048, 629606310, 671580064, 839475080, 1007370096, 1259212620, 1343160128, 1678950160, 2014740192, 2518425240, 3357900320, 4029480384, 5036850480, 6715800640, 10073700960, 20147401920]

約数ペア:

[(1, 20147401920), (2, 10073700960), (3, 6715800640), (4, 5036850480), (5, 4029480384), (6, 3357900320), (8, 2518425240), (10, 2014740192), (12, 1678950160), (15, 1343160128), (16, 1259212620), (20, 1007370096), (24, 839475080), (30, 671580064), (32, 629606310), (40, 503685048), (48, 419737540), (60, 335790032), (64, 314803155), (80, 251842524), (96, 209868770), (120, 167895016), (127, 158640960), (160, 125921262), (192, 104934385), (240, 83947508), (254, 79320480), (257, 78394560), (320, 62960631), (381, 52880320), (480, 41973754), (508, 39660240), (514, 39197280), (635, 31728192), (643, 31333440), (762, 26440160), (771, 26131520), (960, 20986877), (1016, 19830120), (1028, 19598640), (1270, 15864096), (1285, 15678912), (1286, 15666720), (1524, 13220080), (1542, 13065760), (1905, 10576064), (1929, 10444480), (2032, 9915060), (2056, 9799320), (2540, 7932048), (2570, 7839456), (2572, 7833360), (3048, 6610040), (3084, 6532880), (3215, 6266688), (3810, 5288032), (3855, 5226304), (3858, 5222240), (4064, 4957530), (4112, 4899660), (5080, 3966024), (5140, 3919728), (5144, 3916680), (6096, 3305020), (6168, 3266440), (6430, 3133344), (7620, 2644016), (7710, 2613152), (7716, 2611120), (8128, 2478765), (8224, 2449830), (9645, 2088896), (10160, 1983012), (10280, 1959864), (10288, 1958340), (12192, 1652510), (12336, 1633220), (12860, 1566672), (15240, 1322008), (15420, 1306576), (15432, 1305560), (16448, 1224915), (19290, 1044448), (20320, 991506), (20560, 979932), (20576, 979170), (24384, 826255), (24672, 816610), (25720, 783336), (30480, 661004), (30840, 653288), (30864, 652780), (32639, 617280), (38580, 522224), (40640, 495753), (41120, 489966), (41152, 489585), (49344, 408305), (51440, 391668), (60960, 330502), (61680, 326644), (61728, 326390), (65278, 308640), (77160, 261112), (81661, 246720), (82240, 244983), (97917, 205760), (102880, 195834), (121920, 165251), (123360, 163322), (123456, 163195), (130556, 154320)]