20577088

素因数分解:

$2^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1997}}^1$

素因数の和:2039

約数の個数: 56

約数和(自身を含む): 48719232

約数和(自身を除く): 28142144

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 161, 184, 224, 322, 368, 448, 644, 736, 1288, 1472, 1997, 2576, 3994, 5152, 7988, 10304, 13979, 15976, 27958, 31952, 45931, 55916, 63904, 91862, 111832, 127808, 183724, 223664, 321517, 367448, 447328, 643034, 734896, 894656, 1286068, 1469792, 2572136, 2939584, 5144272, 10288544, 20577088]

約数ペア:

[(1, 20577088), (2, 10288544), (4, 5144272), (7, 2939584), (8, 2572136), (14, 1469792), (16, 1286068), (23, 894656), (28, 734896), (32, 643034), (46, 447328), (56, 367448), (64, 321517), (92, 223664), (112, 183724), (161, 127808), (184, 111832), (224, 91862), (322, 63904), (368, 55916), (448, 45931), (644, 31952), (736, 27958), (1288, 15976), (1472, 13979), (1997, 10304), (2576, 7988), (3994, 5152)]