20005784880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{971}}^1\times {\mathrm{85847}}^1$

素因数の和:86834

約数の個数: 80

約数和(自身を含む): 62082526464

約数和(自身を除く): 42076741584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 971, 1942, 2913, 3884, 4855, 5826, 7768, 9710, 11652, 14565, 15536, 19420, 23304, 29130, 38840, 46608, 58260, 77680, 85847, 116520, 171694, 233040, 257541, 343388, 429235, 515082, 686776, 858470, 1030164, 1287705, 1373552, 1716940, 2060328, 2575410, 3433880, 4120656, 5150820, 6867760, 10301640, 20603280, 83357437, 166714874, 250072311, 333429748, 416787185, 500144622, 666859496, 833574370, 1000289244, 1250361555, 1333718992, 1667148740, 2000578488, 2500723110, 3334297480, 4001156976, 5001446220, 6668594960, 10002892440, 20005784880]

約数ペア:

[(1, 20005784880), (2, 10002892440), (3, 6668594960), (4, 5001446220), (5, 4001156976), (6, 3334297480), (8, 2500723110), (10, 2000578488), (12, 1667148740), (15, 1333718992), (16, 1250361555), (20, 1000289244), (24, 833574370), (30, 666859496), (40, 500144622), (48, 416787185), (60, 333429748), (80, 250072311), (120, 166714874), (240, 83357437), (971, 20603280), (1942, 10301640), (2913, 6867760), (3884, 5150820), (4855, 4120656), (5826, 3433880), (7768, 2575410), (9710, 2060328), (11652, 1716940), (14565, 1373552), (15536, 1287705), (19420, 1030164), (23304, 858470), (29130, 686776), (38840, 515082), (46608, 429235), (58260, 343388), (77680, 257541), (85847, 233040), (116520, 171694)]