20086662928

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1\times {\mathrm{1399}}^1$

素因数の和:2000

約数の個数: 80

約数和(自身を含む): 40903632000

約数和(自身を除く): 20816969072

約数列:

[1, 2, 4, 8, 16, 41, 43, 82, 86, 164, 172, 328, 344, 509, 656, 688, 1018, 1399, 1763, 2036, 2798, 3526, 4072, 5596, 7052, 8144, 11192, 14104, 20869, 21887, 22384, 28208, 41738, 43774, 57359, 60157, 83476, 87548, 114718, 120314, 166952, 175096, 229436, 240628, 333904, 350192, 458872, 481256, 712091, 897367, 917744, 962512, 1424182, 1794734, 2466437, 2848364, 3589468, 4932874, 5696728, 7178936, 9865748, 11393456, 14357872, 19731496, 29195731, 30619913, 39462992, 58391462, 61239826, 116782924, 122479652, 233565848, 244959304, 467131696, 489918608, 1255416433, 2510832866, 5021665732, 10043331464, 20086662928]

約数ペア:

[(1, 20086662928), (2, 10043331464), (4, 5021665732), (8, 2510832866), (16, 1255416433), (41, 489918608), (43, 467131696), (82, 244959304), (86, 233565848), (164, 122479652), (172, 116782924), (328, 61239826), (344, 58391462), (509, 39462992), (656, 30619913), (688, 29195731), (1018, 19731496), (1399, 14357872), (1763, 11393456), (2036, 9865748), (2798, 7178936), (3526, 5696728), (4072, 4932874), (5596, 3589468), (7052, 2848364), (8144, 2466437), (11192, 1794734), (14104, 1424182), (20869, 962512), (21887, 917744), (22384, 897367), (28208, 712091), (41738, 481256), (43774, 458872), (57359, 350192), (60157, 333904), (83476, 240628), (87548, 229436), (114718, 175096), (120314, 166952)]