20705843520

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{17929}}^1$

素因数の和:18353

約数の個数: 168

約数和(自身を含む): 71401061160

約数和(自身を除く): 50695217640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 401, 480, 576, 720, 802, 960, 1203, 1440, 1604, 2005, 2406, 2880, 3208, 3609, 4010, 4812, 6015, 6416, 7218, 8020, 9624, 12030, 12832, 14436, 16040, 17929, 18045, 19248, 24060, 25664, 28872, 32080, 35858, 36090, 38496, 48120, 53787, 57744, 64160, 71716, 72180, 76992, 89645, 96240, 107574, 115488, 128320, 143432, 144360, 161361, 179290, 192480, 215148, 230976, 268935, 286864, 288720, 322722, 358580, 384960, 430296, 537870, 573728, 577440, 645444, 717160, 806805, 860592, 1075740, 1147456, 1154880, 1290888, 1434320, 1613610, 1721184, 2151480, 2581776, 2868640, 3227220, 3442368, 4302960, 5163552, 5737280, 6454440, 7189529, 8605920, 10327104, 12908880, 14379058, 17211840, 21568587, 25817760, 28758116, 35947645, 43137174, 51635520, 57516232, 64705761, 71895290, 86274348, 107842935, 115032464, 129411522, 143790580, 172548696, 215685870, 230064928, 258823044, 287581160, 323528805, 345097392, 431371740, 460129856, 517646088, 575162320, 647057610, 690194784, 862743480, 1035292176, 1150324640, 1294115220, 1380389568, 1725486960, 2070584352, 2300649280, 2588230440, 3450973920, 4141168704, 5176460880, 6901947840, 10352921760, 20705843520]

約数ペア:

[(1, 20705843520), (2, 10352921760), (3, 6901947840), (4, 5176460880), (5, 4141168704), (6, 3450973920), (8, 2588230440), (9, 2300649280), (10, 2070584352), (12, 1725486960), (15, 1380389568), (16, 1294115220), (18, 1150324640), (20, 1035292176), (24, 862743480), (30, 690194784), (32, 647057610), (36, 575162320), (40, 517646088), (45, 460129856), (48, 431371740), (60, 345097392), (64, 323528805), (72, 287581160), (80, 258823044), (90, 230064928), (96, 215685870), (120, 172548696), (144, 143790580), (160, 129411522), (180, 115032464), (192, 107842935), (240, 86274348), (288, 71895290), (320, 64705761), (360, 57516232), (401, 51635520), (480, 43137174), (576, 35947645), (720, 28758116), (802, 25817760), (960, 21568587), (1203, 17211840), (1440, 14379058), (1604, 12908880), (2005, 10327104), (2406, 8605920), (2880, 7189529), (3208, 6454440), (3609, 5737280), (4010, 5163552), (4812, 4302960), (6015, 3442368), (6416, 3227220), (7218, 2868640), (8020, 2581776), (9624, 2151480), (12030, 1721184), (12832, 1613610), (14436, 1434320), (16040, 1290888), (17929, 1154880), (18045, 1147456), (19248, 1075740), (24060, 860592), (25664, 806805), (28872, 717160), (32080, 645444), (35858, 577440), (36090, 573728), (38496, 537870), (48120, 430296), (53787, 384960), (57744, 358580), (64160, 322722), (71716, 288720), (72180, 286864), (76992, 268935), (89645, 230976), (96240, 215148), (107574, 192480), (115488, 179290), (128320, 161361), (143432, 144360)]