20455630448

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1\times {\mathrm{7529}}^1$

素因数の和:7950

約数の個数: 80

約数和(自身を含む): 44370374400

約数和(自身を除く): 23914743952

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 359, 473, 688, 718, 946, 1436, 1892, 2872, 3784, 3949, 5744, 7529, 7568, 7898, 15058, 15437, 15796, 30116, 30874, 31592, 60232, 61748, 63184, 82819, 120464, 123496, 165638, 169807, 246992, 323747, 331276, 339614, 647494, 662552, 679228, 1294988, 1325104, 1358456, 2589976, 2702911, 2716912, 3561217, 5179952, 5405822, 7122434, 10811644, 14244868, 21623288, 28489736, 29732021, 43246576, 56979472, 59464042, 116225173, 118928084, 232450346, 237856168, 464900692, 475712336, 929801384, 1278476903, 1859602768, 2556953806, 5113907612, 10227815224, 20455630448]

約数ペア:

[(1, 20455630448), (2, 10227815224), (4, 5113907612), (8, 2556953806), (11, 1859602768), (16, 1278476903), (22, 929801384), (43, 475712336), (44, 464900692), (86, 237856168), (88, 232450346), (172, 118928084), (176, 116225173), (344, 59464042), (359, 56979472), (473, 43246576), (688, 29732021), (718, 28489736), (946, 21623288), (1436, 14244868), (1892, 10811644), (2872, 7122434), (3784, 5405822), (3949, 5179952), (5744, 3561217), (7529, 2716912), (7568, 2702911), (7898, 2589976), (15058, 1358456), (15437, 1325104), (15796, 1294988), (30116, 679228), (30874, 662552), (31592, 647494), (60232, 339614), (61748, 331276), (63184, 323747), (82819, 246992), (120464, 169807), (123496, 165638)]