20407552011

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{9839}}^1$

素因数の和:9977

約数の個数: 96

約数和(自身を含む): 38167234560

約数和(自身を除く): 17759682549

約数列:

[1, 3, 7, 9, 11, 21, 33, 41, 63, 73, 77, 99, 123, 219, 231, 287, 369, 451, 511, 657, 693, 803, 861, 1353, 1533, 2409, 2583, 2993, 3157, 4059, 4599, 5621, 7227, 8979, 9471, 9839, 16863, 20951, 26937, 28413, 29517, 32923, 50589, 62853, 68873, 88551, 98769, 108229, 188559, 206619, 230461, 296307, 324687, 403399, 619857, 691383, 718247, 757603, 974061, 1210197, 2074149, 2154741, 2272809, 2823793, 3630591, 4437389, 5027729, 6464223, 6818427, 7900717, 8471379, 13312167, 15083187, 23702151, 25414137, 29448127, 31061723, 39936501, 45249561, 55305019, 71106453, 88344381, 93185169, 165915057, 206136889, 265033143, 279555507, 323929397, 497745171, 618410667, 971788191, 1855232001, 2267505779, 2915364573, 6802517337, 20407552011]

約数ペア:

[(1, 20407552011), (3, 6802517337), (7, 2915364573), (9, 2267505779), (11, 1855232001), (21, 971788191), (33, 618410667), (41, 497745171), (63, 323929397), (73, 279555507), (77, 265033143), (99, 206136889), (123, 165915057), (219, 93185169), (231, 88344381), (287, 71106453), (369, 55305019), (451, 45249561), (511, 39936501), (657, 31061723), (693, 29448127), (803, 25414137), (861, 23702151), (1353, 15083187), (1533, 13312167), (2409, 8471379), (2583, 7900717), (2993, 6818427), (3157, 6464223), (4059, 5027729), (4599, 4437389), (5621, 3630591), (7227, 2823793), (8979, 2272809), (9471, 2154741), (9839, 2074149), (16863, 1210197), (20951, 974061), (26937, 757603), (28413, 718247), (29517, 691383), (32923, 619857), (50589, 403399), (62853, 324687), (68873, 296307), (88551, 230461), (98769, 206619), (108229, 188559)]