20513064

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 62092800

約数和(自身を除く): 41579736

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 43, 44, 52, 66, 78, 86, 88, 104, 129, 132, 139, 143, 156, 172, 258, 264, 278, 286, 312, 344, 417, 429, 473, 516, 556, 559, 572, 834, 858, 946, 1032, 1112, 1118, 1144, 1419, 1529, 1668, 1677, 1716, 1807, 1892, 2236, 2838, 3058, 3336, 3354, 3432, 3614, 3784, 4472, 4587, 5421, 5676, 5977, 6116, 6149, 6708, 7228, 9174, 10842, 11352, 11954, 12232, 12298, 13416, 14456, 17931, 18348, 18447, 19877, 21684, 23908, 24596, 35862, 36696, 36894, 39754, 43368, 47816, 49192, 59631, 65747, 71724, 73788, 77701, 79508, 119262, 131494, 143448, 147576, 155402, 159016, 197241, 233103, 238524, 262988, 310804, 394482, 466206, 477048, 525976, 621608, 788964, 854711, 932412, 1577928, 1709422, 1864824, 2564133, 3418844, 5128266, 6837688, 10256532, 20513064]

約数ペア:

[(1, 20513064), (2, 10256532), (3, 6837688), (4, 5128266), (6, 3418844), (8, 2564133), (11, 1864824), (12, 1709422), (13, 1577928), (22, 932412), (24, 854711), (26, 788964), (33, 621608), (39, 525976), (43, 477048), (44, 466206), (52, 394482), (66, 310804), (78, 262988), (86, 238524), (88, 233103), (104, 197241), (129, 159016), (132, 155402), (139, 147576), (143, 143448), (156, 131494), (172, 119262), (258, 79508), (264, 77701), (278, 73788), (286, 71724), (312, 65747), (344, 59631), (417, 49192), (429, 47816), (473, 43368), (516, 39754), (556, 36894), (559, 36696), (572, 35862), (834, 24596), (858, 23908), (946, 21684), (1032, 19877), (1112, 18447), (1118, 18348), (1144, 17931), (1419, 14456), (1529, 13416), (1668, 12298), (1677, 12232), (1716, 11954), (1807, 11352), (1892, 10842), (2236, 9174), (2838, 7228), (3058, 6708), (3336, 6149), (3354, 6116), (3432, 5977), (3614, 5676), (3784, 5421), (4472, 4587)]