20255928

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:237

約数の個数: 128

約数和(自身を含む): 64350720

約数和(自身を除く): 44094792

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 97, 113, 132, 154, 168, 194, 226, 231, 264, 291, 308, 339, 388, 452, 462, 582, 616, 678, 679, 776, 791, 904, 924, 1067, 1164, 1243, 1356, 1358, 1582, 1848, 2037, 2134, 2328, 2373, 2486, 2712, 2716, 3164, 3201, 3729, 4074, 4268, 4746, 4972, 5432, 6328, 6402, 7458, 7469, 8148, 8536, 8701, 9492, 9944, 10961, 12804, 14916, 14938, 16296, 17402, 18984, 21922, 22407, 25608, 26103, 29832, 29876, 32883, 34804, 43844, 44814, 52206, 59752, 65766, 69608, 76727, 87688, 89628, 104412, 120571, 131532, 153454, 179256, 208824, 230181, 241142, 263064, 306908, 361713, 460362, 482284, 613816, 723426, 843997, 920724, 964568, 1446852, 1687994, 1841448, 2531991, 2893704, 3375988, 5063982, 6751976, 10127964, 20255928]

約数ペア:

[(1, 20255928), (2, 10127964), (3, 6751976), (4, 5063982), (6, 3375988), (7, 2893704), (8, 2531991), (11, 1841448), (12, 1687994), (14, 1446852), (21, 964568), (22, 920724), (24, 843997), (28, 723426), (33, 613816), (42, 482284), (44, 460362), (56, 361713), (66, 306908), (77, 263064), (84, 241142), (88, 230181), (97, 208824), (113, 179256), (132, 153454), (154, 131532), (168, 120571), (194, 104412), (226, 89628), (231, 87688), (264, 76727), (291, 69608), (308, 65766), (339, 59752), (388, 52206), (452, 44814), (462, 43844), (582, 34804), (616, 32883), (678, 29876), (679, 29832), (776, 26103), (791, 25608), (904, 22407), (924, 21922), (1067, 18984), (1164, 17402), (1243, 16296), (1356, 14938), (1358, 14916), (1582, 12804), (1848, 10961), (2037, 9944), (2134, 9492), (2328, 8701), (2373, 8536), (2486, 8148), (2712, 7469), (2716, 7458), (3164, 6402), (3201, 6328), (3729, 5432), (4074, 4972), (4268, 4746)]