20648659968

素因数分解:

$2^{10}\times 3^4\times {\mathrm{173}}^1\times {\mathrm{1439}}^1$

素因数の和:1644

約数の個数: 220

約数和(自身を含む): 62060454720

約数和(自身を除く): 41411794752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 173, 192, 216, 256, 288, 324, 346, 384, 432, 512, 519, 576, 648, 692, 768, 864, 1024, 1038, 1152, 1296, 1384, 1439, 1536, 1557, 1728, 2076, 2304, 2592, 2768, 2878, 3072, 3114, 3456, 4152, 4317, 4608, 4671, 5184, 5536, 5756, 6228, 6912, 8304, 8634, 9216, 9342, 10368, 11072, 11512, 12456, 12951, 13824, 14013, 16608, 17268, 18684, 20736, 22144, 23024, 24912, 25902, 27648, 28026, 33216, 34536, 37368, 38853, 41472, 44288, 46048, 49824, 51804, 56052, 66432, 69072, 74736, 77706, 82944, 88576, 92096, 99648, 103608, 112104, 116559, 132864, 138144, 149472, 155412, 177152, 184192, 199296, 207216, 224208, 233118, 248947, 265728, 276288, 298944, 310824, 368384, 398592, 414432, 448416, 466236, 497894, 531456, 552576, 597888, 621648, 736768, 746841, 797184, 828864, 896832, 932472, 995788, 1105152, 1195776, 1243296, 1473536, 1493682, 1594368, 1657728, 1793664, 1864944, 1991576, 2210304, 2240523, 2391552, 2486592, 2987364, 3315456, 3587328, 3729888, 3983152, 4420608, 4481046, 4783104, 4973184, 5974728, 6630912, 6721569, 7174656, 7459776, 7966304, 8962092, 9946368, 11949456, 13261824, 13443138, 14349312, 14919552, 15932608, 17924184, 19892736, 20164707, 23898912, 26886276, 29839104, 31865216, 35848368, 39785472, 40329414, 47797824, 53772552, 59678208, 63730432, 71696736, 80658828, 95595648, 107545104, 119356416, 127460864, 143393472, 161317656, 191191296, 215090208, 254921728, 286786944, 322635312, 382382592, 430180416, 573573888, 645270624, 764765184, 860360832, 1147147776, 1290541248, 1720721664, 2294295552, 2581082496, 3441443328, 5162164992, 6882886656, 10324329984, 20648659968]

約数ペア:

[(1, 20648659968), (2, 10324329984), (3, 6882886656), (4, 5162164992), (6, 3441443328), (8, 2581082496), (9, 2294295552), (12, 1720721664), (16, 1290541248), (18, 1147147776), (24, 860360832), (27, 764765184), (32, 645270624), (36, 573573888), (48, 430180416), (54, 382382592), (64, 322635312), (72, 286786944), (81, 254921728), (96, 215090208), (108, 191191296), (128, 161317656), (144, 143393472), (162, 127460864), (173, 119356416), (192, 107545104), (216, 95595648), (256, 80658828), (288, 71696736), (324, 63730432), (346, 59678208), (384, 53772552), (432, 47797824), (512, 40329414), (519, 39785472), (576, 35848368), (648, 31865216), (692, 29839104), (768, 26886276), (864, 23898912), (1024, 20164707), (1038, 19892736), (1152, 17924184), (1296, 15932608), (1384, 14919552), (1439, 14349312), (1536, 13443138), (1557, 13261824), (1728, 11949456), (2076, 9946368), (2304, 8962092), (2592, 7966304), (2768, 7459776), (2878, 7174656), (3072, 6721569), (3114, 6630912), (3456, 5974728), (4152, 4973184), (4317, 4783104), (4608, 4481046), (4671, 4420608), (5184, 3983152), (5536, 3729888), (5756, 3587328), (6228, 3315456), (6912, 2987364), (8304, 2486592), (8634, 2391552), (9216, 2240523), (9342, 2210304), (10368, 1991576), (11072, 1864944), (11512, 1793664), (12456, 1657728), (12951, 1594368), (13824, 1493682), (14013, 1473536), (16608, 1243296), (17268, 1195776), (18684, 1105152), (20736, 995788), (22144, 932472), (23024, 896832), (24912, 828864), (25902, 797184), (27648, 746841), (28026, 736768), (33216, 621648), (34536, 597888), (37368, 552576), (38853, 531456), (41472, 497894), (44288, 466236), (46048, 448416), (49824, 414432), (51804, 398592), (56052, 368384), (66432, 310824), (69072, 298944), (74736, 276288), (77706, 265728), (82944, 248947), (88576, 233118), (92096, 224208), (99648, 207216), (103608, 199296), (112104, 184192), (116559, 177152), (132864, 155412), (138144, 149472)]