20676864

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 62955200

約数和(自身を除く): 42278336

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 32, 38, 39, 48, 52, 57, 64, 76, 78, 96, 104, 109, 114, 128, 152, 156, 192, 208, 218, 228, 247, 256, 304, 312, 327, 384, 416, 436, 456, 494, 608, 624, 654, 741, 768, 832, 872, 912, 988, 1216, 1248, 1308, 1417, 1482, 1664, 1744, 1824, 1976, 2071, 2432, 2496, 2616, 2834, 2964, 3328, 3488, 3648, 3952, 4142, 4251, 4864, 4992, 5232, 5668, 5928, 6213, 6976, 7296, 7904, 8284, 8502, 9984, 10464, 11336, 11856, 12426, 13952, 14592, 15808, 16568, 17004, 20928, 22672, 23712, 24852, 26923, 27904, 31616, 33136, 34008, 41856, 45344, 47424, 49704, 53846, 63232, 66272, 68016, 80769, 83712, 90688, 94848, 99408, 107692, 132544, 136032, 161538, 181376, 189696, 198816, 215384, 265088, 272064, 323076, 362752, 397632, 430768, 530176, 544128, 646152, 795264, 861536, 1088256, 1292304, 1590528, 1723072, 2584608, 3446144, 5169216, 6892288, 10338432, 20676864]

約数ペア:

[(1, 20676864), (2, 10338432), (3, 6892288), (4, 5169216), (6, 3446144), (8, 2584608), (12, 1723072), (13, 1590528), (16, 1292304), (19, 1088256), (24, 861536), (26, 795264), (32, 646152), (38, 544128), (39, 530176), (48, 430768), (52, 397632), (57, 362752), (64, 323076), (76, 272064), (78, 265088), (96, 215384), (104, 198816), (109, 189696), (114, 181376), (128, 161538), (152, 136032), (156, 132544), (192, 107692), (208, 99408), (218, 94848), (228, 90688), (247, 83712), (256, 80769), (304, 68016), (312, 66272), (327, 63232), (384, 53846), (416, 49704), (436, 47424), (456, 45344), (494, 41856), (608, 34008), (624, 33136), (654, 31616), (741, 27904), (768, 26923), (832, 24852), (872, 23712), (912, 22672), (988, 20928), (1216, 17004), (1248, 16568), (1308, 15808), (1417, 14592), (1482, 13952), (1664, 12426), (1744, 11856), (1824, 11336), (1976, 10464), (2071, 9984), (2432, 8502), (2496, 8284), (2616, 7904), (2834, 7296), (2964, 6976), (3328, 6213), (3488, 5928), (3648, 5668), (3952, 5232), (4142, 4992), (4251, 4864)]