20915220480

素因数分解:

$2^{12}\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4421}}^1$

素因数の和:4471

約数の個数: 416

約数和(自身を含む): 83452267008

約数和(自身を除く): 62537046528

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 64, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 128, 132, 140, 154, 160, 165, 168, 176, 192, 210, 220, 224, 231, 240, 256, 264, 280, 308, 320, 330, 336, 352, 384, 385, 420, 440, 448, 462, 480, 512, 528, 560, 616, 640, 660, 672, 704, 768, 770, 840, 880, 896, 924, 960, 1024, 1056, 1120, 1155, 1232, 1280, 1320, 1344, 1408, 1536, 1540, 1680, 1760, 1792, 1848, 1920, 2048, 2112, 2240, 2310, 2464, 2560, 2640, 2688, 2816, 3072, 3080, 3360, 3520, 3584, 3696, 3840, 4096, 4224, 4421, 4480, 4620, 4928, 5120, 5280, 5376, 5632, 6144, 6160, 6720, 7040, 7168, 7392, 7680, 8448, 8842, 8960, 9240, 9856, 10240, 10560, 10752, 11264, 12288, 12320, 13263, 13440, 14080, 14336, 14784, 15360, 16896, 17684, 17920, 18480, 19712, 20480, 21120, 21504, 22105, 22528, 24640, 26526, 26880, 28160, 28672, 29568, 30720, 30947, 33792, 35368, 35840, 36960, 39424, 42240, 43008, 44210, 45056, 48631, 49280, 53052, 53760, 56320, 59136, 61440, 61894, 66315, 67584, 70736, 71680, 73920, 78848, 84480, 86016, 88420, 92841, 97262, 98560, 106104, 107520, 112640, 118272, 123788, 132630, 135168, 141472, 143360, 145893, 147840, 154735, 157696, 168960, 176840, 185682, 194524, 197120, 212208, 215040, 225280, 236544, 243155, 247576, 265260, 282944, 291786, 295680, 309470, 315392, 337920, 340417, 353680, 371364, 389048, 394240, 424416, 430080, 464205, 473088, 486310, 495152, 530520, 565888, 583572, 591360, 618940, 675840, 680834, 707360, 729465, 742728, 778096, 788480, 848832, 928410, 946176, 972620, 990304, 1021251, 1061040, 1131776, 1167144, 1182720, 1237880, 1361668, 1414720, 1458930, 1485456, 1556192, 1576960, 1697664, 1702085, 1856820, 1945240, 1980608, 2042502, 2122080, 2263552, 2334288, 2365440, 2475760, 2723336, 2829440, 2917860, 2970912, 3112384, 3395328, 3404170, 3713640, 3890480, 3961216, 4085004, 4244160, 4527104, 4668576, 4730880, 4951520, 5106255, 5446672, 5658880, 5835720, 5941824, 6224768, 6790656, 6808340, 7427280, 7780960, 7922432, 8170008, 8488320, 9054208, 9337152, 9903040, 10212510, 10893344, 11317760, 11671440, 11883648, 12449536, 13581312, 13616680, 14854560, 15561920, 15844864, 16340016, 16976640, 18108416, 18674304, 19806080, 20425020, 21786688, 22635520, 23342880, 23767296, 24899072, 27162624, 27233360, 29709120, 31123840, 31689728, 32680032, 33953280, 37348608, 39612160, 40850040, 43573376, 45271040, 46685760, 47534592, 49798144, 54325248, 54466720, 59418240, 62247680, 63379456, 65360064, 67906560, 74697216, 79224320, 81700080, 87146752, 90542080, 93371520, 95069184, 99596288, 108933440, 118836480, 124495360, 126758912, 130720128, 135813120, 149394432, 158448640, 163400160, 174293504, 186743040, 190138368, 199192576, 217866880, 237672960, 248990720, 261440256, 271626240, 298788864, 316897280, 326800320, 348587008, 373486080, 380276736, 435733760, 475345920, 497981440, 522880512, 597577728, 633794560, 653600640, 697174016, 746972160, 871467520, 950691840, 995962880, 1045761024, 1307201280, 1394348032, 1493944320, 1742935040, 1901383680, 2091522048, 2614402560, 2987888640, 3485870080, 4183044096, 5228805120, 6971740160, 10457610240, 20915220480]

約数ペア:

[(1, 20915220480), (2, 10457610240), (3, 6971740160), (4, 5228805120), (5, 4183044096), (6, 3485870080), (7, 2987888640), (8, 2614402560), (10, 2091522048), (11, 1901383680), (12, 1742935040), (14, 1493944320), (15, 1394348032), (16, 1307201280), (20, 1045761024), (21, 995962880), (22, 950691840), (24, 871467520), (28, 746972160), (30, 697174016), (32, 653600640), (33, 633794560), (35, 597577728), (40, 522880512), (42, 497981440), (44, 475345920), (48, 435733760), (55, 380276736), (56, 373486080), (60, 348587008), (64, 326800320), (66, 316897280), (70, 298788864), (77, 271626240), (80, 261440256), (84, 248990720), (88, 237672960), (96, 217866880), (105, 199192576), (110, 190138368), (112, 186743040), (120, 174293504), (128, 163400160), (132, 158448640), (140, 149394432), (154, 135813120), (160, 130720128), (165, 126758912), (168, 124495360), (176, 118836480), (192, 108933440), (210, 99596288), (220, 95069184), (224, 93371520), (231, 90542080), (240, 87146752), (256, 81700080), (264, 79224320), (280, 74697216), (308, 67906560), (320, 65360064), (330, 63379456), (336, 62247680), (352, 59418240), (384, 54466720), (385, 54325248), (420, 49798144), (440, 47534592), (448, 46685760), (462, 45271040), (480, 43573376), (512, 40850040), (528, 39612160), (560, 37348608), (616, 33953280), (640, 32680032), (660, 31689728), (672, 31123840), (704, 29709120), (768, 27233360), (770, 27162624), (840, 24899072), (880, 23767296), (896, 23342880), (924, 22635520), (960, 21786688), (1024, 20425020), (1056, 19806080), (1120, 18674304), (1155, 18108416), (1232, 16976640), (1280, 16340016), (1320, 15844864), (1344, 15561920), (1408, 14854560), (1536, 13616680), (1540, 13581312), (1680, 12449536), (1760, 11883648), (1792, 11671440), (1848, 11317760), (1920, 10893344), (2048, 10212510), (2112, 9903040), (2240, 9337152), (2310, 9054208), (2464, 8488320), (2560, 8170008), (2640, 7922432), (2688, 7780960), (2816, 7427280), (3072, 6808340), (3080, 6790656), (3360, 6224768), (3520, 5941824), (3584, 5835720), (3696, 5658880), (3840, 5446672), (4096, 5106255), (4224, 4951520), (4421, 4730880), (4480, 4668576), (4620, 4527104), (4928, 4244160), (5120, 4085004), (5280, 3961216), (5376, 3890480), (5632, 3713640), (6144, 3404170), (6160, 3395328), (6720, 3112384), (7040, 2970912), (7168, 2917860), (7392, 2829440), (7680, 2723336), (8448, 2475760), (8842, 2365440), (8960, 2334288), (9240, 2263552), (9856, 2122080), (10240, 2042502), (10560, 1980608), (10752, 1945240), (11264, 1856820), (12288, 1702085), (12320, 1697664), (13263, 1576960), (13440, 1556192), (14080, 1485456), (14336, 1458930), (14784, 1414720), (15360, 1361668), (16896, 1237880), (17684, 1182720), (17920, 1167144), (18480, 1131776), (19712, 1061040), (20480, 1021251), (21120, 990304), (21504, 972620), (22105, 946176), (22528, 928410), (24640, 848832), (26526, 788480), (26880, 778096), (28160, 742728), (28672, 729465), (29568, 707360), (30720, 680834), (30947, 675840), (33792, 618940), (35368, 591360), (35840, 583572), (36960, 565888), (39424, 530520), (42240, 495152), (43008, 486310), (44210, 473088), (45056, 464205), (48631, 430080), (49280, 424416), (53052, 394240), (53760, 389048), (56320, 371364), (59136, 353680), (61440, 340417), (61894, 337920), (66315, 315392), (67584, 309470), (70736, 295680), (71680, 291786), (73920, 282944), (78848, 265260), (84480, 247576), (86016, 243155), (88420, 236544), (92841, 225280), (97262, 215040), (98560, 212208), (106104, 197120), (107520, 194524), (112640, 185682), (118272, 176840), (123788, 168960), (132630, 157696), (135168, 154735), (141472, 147840), (143360, 145893)]