20897407488

素因数分解:

$2^9\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{577}}^1$

素因数の和:707

約数の個数: 320

約数和(自身を含む): 63008288640

約数和(自身を除く): 42110881152

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 19, 24, 32, 34, 38, 48, 51, 57, 64, 68, 73, 76, 96, 102, 114, 128, 136, 146, 152, 192, 204, 219, 228, 256, 272, 292, 304, 323, 384, 408, 438, 456, 512, 544, 577, 584, 608, 646, 768, 816, 876, 912, 969, 1088, 1154, 1168, 1216, 1241, 1292, 1387, 1536, 1632, 1731, 1752, 1824, 1938, 2176, 2308, 2336, 2432, 2482, 2584, 2774, 3264, 3462, 3504, 3648, 3723, 3876, 4161, 4352, 4616, 4672, 4864, 4964, 5168, 5548, 6528, 6924, 7008, 7296, 7446, 7752, 8322, 8704, 9232, 9344, 9728, 9809, 9928, 10336, 10963, 11096, 13056, 13848, 14016, 14592, 14892, 15504, 16644, 18464, 18688, 19618, 19856, 20672, 21926, 22192, 23579, 26112, 27696, 28032, 29184, 29427, 29784, 31008, 32889, 33288, 36928, 37376, 39236, 39712, 41344, 42121, 43852, 44384, 47158, 55392, 56064, 58854, 59568, 62016, 65778, 66576, 70737, 73856, 78472, 79424, 82688, 84242, 87704, 88768, 94316, 110784, 112128, 117708, 119136, 124032, 126363, 131556, 133152, 141474, 147712, 156944, 158848, 165376, 168484, 175408, 177536, 186371, 188632, 221568, 235416, 238272, 248064, 252726, 263112, 266304, 282948, 295424, 313888, 317696, 336968, 350816, 355072, 372742, 377264, 443136, 470832, 476544, 496128, 505452, 526224, 532608, 559113, 565896, 627776, 635392, 673936, 701632, 710144, 716057, 745484, 754528, 800299, 886272, 941664, 953088, 1010904, 1052448, 1065216, 1118226, 1131792, 1255552, 1347872, 1403264, 1432114, 1490968, 1509056, 1600598, 1883328, 1906176, 2021808, 2104896, 2130432, 2148171, 2236452, 2263584, 2400897, 2511104, 2695744, 2806528, 2864228, 2981936, 3018112, 3201196, 3766656, 4043616, 4209792, 4296342, 4472904, 4527168, 4801794, 5022208, 5391488, 5613056, 5728456, 5963872, 6036224, 6402392, 7533312, 8087232, 8419584, 8592684, 8945808, 9054336, 9603588, 10782976, 11456912, 11927744, 12072448, 12804784, 13605083, 15066624, 16174464, 16839168, 17185368, 17891616, 18108672, 19207176, 21565952, 22913824, 23855488, 25609568, 27210166, 32348928, 34370736, 35783232, 36217344, 38414352, 40815249, 45827648, 47710976, 51219136, 54420332, 64697856, 68741472, 71566464, 76828704, 81630498, 91655296, 95421952, 102438272, 108840664, 137482944, 143132928, 153657408, 163260996, 183310592, 204876544, 217681328, 274965888, 286265856, 307314816, 326521992, 366621184, 409753088, 435362656, 549931776, 614629632, 653043984, 870725312, 1099863552, 1229259264, 1306087968, 1741450624, 2612175936, 3482901248, 5224351872, 6965802496, 10448703744, 20897407488]

約数ペア:

[(1, 20897407488), (2, 10448703744), (3, 6965802496), (4, 5224351872), (6, 3482901248), (8, 2612175936), (12, 1741450624), (16, 1306087968), (17, 1229259264), (19, 1099863552), (24, 870725312), (32, 653043984), (34, 614629632), (38, 549931776), (48, 435362656), (51, 409753088), (57, 366621184), (64, 326521992), (68, 307314816), (73, 286265856), (76, 274965888), (96, 217681328), (102, 204876544), (114, 183310592), (128, 163260996), (136, 153657408), (146, 143132928), (152, 137482944), (192, 108840664), (204, 102438272), (219, 95421952), (228, 91655296), (256, 81630498), (272, 76828704), (292, 71566464), (304, 68741472), (323, 64697856), (384, 54420332), (408, 51219136), (438, 47710976), (456, 45827648), (512, 40815249), (544, 38414352), (577, 36217344), (584, 35783232), (608, 34370736), (646, 32348928), (768, 27210166), (816, 25609568), (876, 23855488), (912, 22913824), (969, 21565952), (1088, 19207176), (1154, 18108672), (1168, 17891616), (1216, 17185368), (1241, 16839168), (1292, 16174464), (1387, 15066624), (1536, 13605083), (1632, 12804784), (1731, 12072448), (1752, 11927744), (1824, 11456912), (1938, 10782976), (2176, 9603588), (2308, 9054336), (2336, 8945808), (2432, 8592684), (2482, 8419584), (2584, 8087232), (2774, 7533312), (3264, 6402392), (3462, 6036224), (3504, 5963872), (3648, 5728456), (3723, 5613056), (3876, 5391488), (4161, 5022208), (4352, 4801794), (4616, 4527168), (4672, 4472904), (4864, 4296342), (4964, 4209792), (5168, 4043616), (5548, 3766656), (6528, 3201196), (6924, 3018112), (7008, 2981936), (7296, 2864228), (7446, 2806528), (7752, 2695744), (8322, 2511104), (8704, 2400897), (9232, 2263584), (9344, 2236452), (9728, 2148171), (9809, 2130432), (9928, 2104896), (10336, 2021808), (10963, 1906176), (11096, 1883328), (13056, 1600598), (13848, 1509056), (14016, 1490968), (14592, 1432114), (14892, 1403264), (15504, 1347872), (16644, 1255552), (18464, 1131792), (18688, 1118226), (19618, 1065216), (19856, 1052448), (20672, 1010904), (21926, 953088), (22192, 941664), (23579, 886272), (26112, 800299), (27696, 754528), (28032, 745484), (29184, 716057), (29427, 710144), (29784, 701632), (31008, 673936), (32889, 635392), (33288, 627776), (36928, 565896), (37376, 559113), (39236, 532608), (39712, 526224), (41344, 505452), (42121, 496128), (43852, 476544), (44384, 470832), (47158, 443136), (55392, 377264), (56064, 372742), (58854, 355072), (59568, 350816), (62016, 336968), (65778, 317696), (66576, 313888), (70737, 295424), (73856, 282948), (78472, 266304), (79424, 263112), (82688, 252726), (84242, 248064), (87704, 238272), (88768, 235416), (94316, 221568), (110784, 188632), (112128, 186371), (117708, 177536), (119136, 175408), (124032, 168484), (126363, 165376), (131556, 158848), (133152, 156944), (141474, 147712)]