20397504

素因数分解:

$2^6\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:218

約数の個数: 112

約数和(自身を含む): 58521600

約数和(自身を除く): 38124096

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 31, 32, 46, 48, 62, 64, 69, 92, 93, 96, 124, 138, 149, 184, 186, 192, 248, 276, 298, 368, 372, 447, 496, 552, 596, 713, 736, 744, 894, 992, 1104, 1192, 1426, 1472, 1488, 1788, 1984, 2139, 2208, 2384, 2852, 2976, 3427, 3576, 4278, 4416, 4619, 4768, 5704, 5952, 6854, 7152, 8556, 9238, 9536, 10281, 11408, 13708, 13857, 14304, 17112, 18476, 20562, 22816, 27416, 27714, 28608, 34224, 36952, 41124, 45632, 54832, 55428, 68448, 73904, 82248, 106237, 109664, 110856, 136896, 147808, 164496, 212474, 219328, 221712, 295616, 318711, 328992, 424948, 443424, 637422, 657984, 849896, 886848, 1274844, 1699792, 2549688, 3399584, 5099376, 6799168, 10198752, 20397504]

約数ペア:

[(1, 20397504), (2, 10198752), (3, 6799168), (4, 5099376), (6, 3399584), (8, 2549688), (12, 1699792), (16, 1274844), (23, 886848), (24, 849896), (31, 657984), (32, 637422), (46, 443424), (48, 424948), (62, 328992), (64, 318711), (69, 295616), (92, 221712), (93, 219328), (96, 212474), (124, 164496), (138, 147808), (149, 136896), (184, 110856), (186, 109664), (192, 106237), (248, 82248), (276, 73904), (298, 68448), (368, 55428), (372, 54832), (447, 45632), (496, 41124), (552, 36952), (596, 34224), (713, 28608), (736, 27714), (744, 27416), (894, 22816), (992, 20562), (1104, 18476), (1192, 17112), (1426, 14304), (1472, 13857), (1488, 13708), (1788, 11408), (1984, 10281), (2139, 9536), (2208, 9238), (2384, 8556), (2852, 7152), (2976, 6854), (3427, 5952), (3576, 5704), (4278, 4768), (4416, 4619)]