20940304

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{739}}^1$

素因数の和:788

約数の個数: 80

約数和(自身を含む): 52853760

約数和(自身を除く): 31913456

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 44, 46, 56, 77, 88, 92, 112, 154, 161, 176, 184, 253, 308, 322, 368, 506, 616, 644, 739, 1012, 1232, 1288, 1478, 1771, 2024, 2576, 2956, 3542, 4048, 5173, 5912, 7084, 8129, 10346, 11824, 14168, 16258, 16997, 20692, 28336, 32516, 33994, 41384, 56903, 65032, 67988, 82768, 113806, 118979, 130064, 135976, 186967, 227612, 237958, 271952, 373934, 455224, 475916, 747868, 910448, 951832, 1308769, 1495736, 1903664, 2617538, 2991472, 5235076, 10470152, 20940304]

約数ペア:

[(1, 20940304), (2, 10470152), (4, 5235076), (7, 2991472), (8, 2617538), (11, 1903664), (14, 1495736), (16, 1308769), (22, 951832), (23, 910448), (28, 747868), (44, 475916), (46, 455224), (56, 373934), (77, 271952), (88, 237958), (92, 227612), (112, 186967), (154, 135976), (161, 130064), (176, 118979), (184, 113806), (253, 82768), (308, 67988), (322, 65032), (368, 56903), (506, 41384), (616, 33994), (644, 32516), (739, 28336), (1012, 20692), (1232, 16997), (1288, 16258), (1478, 14168), (1771, 11824), (2024, 10346), (2576, 8129), (2956, 7084), (3542, 5912), (4048, 5173)]