20771392

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:275

約数の個数: 56

約数和(自身を含む): 43744896

約数和(自身を除く): 22973504

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 103, 137, 184, 206, 274, 368, 412, 548, 736, 824, 1096, 1472, 1648, 2192, 2369, 3151, 3296, 4384, 4738, 6302, 6592, 8768, 9476, 12604, 14111, 18952, 25208, 28222, 37904, 50416, 56444, 75808, 100832, 112888, 151616, 201664, 225776, 324553, 451552, 649106, 903104, 1298212, 2596424, 5192848, 10385696, 20771392]

約数ペア:

[(1, 20771392), (2, 10385696), (4, 5192848), (8, 2596424), (16, 1298212), (23, 903104), (32, 649106), (46, 451552), (64, 324553), (92, 225776), (103, 201664), (137, 151616), (184, 112888), (206, 100832), (274, 75808), (368, 56444), (412, 50416), (548, 37904), (736, 28222), (824, 25208), (1096, 18952), (1472, 14111), (1648, 12604), (2192, 9476), (2369, 8768), (3151, 6592), (3296, 6302), (4384, 4738)]