20689144

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16063}}^1$

素因数の和:16099

約数の個数: 32

約数和(自身を含む): 46264320

約数和(自身を除く): 25575176

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 16063, 32126, 64252, 112441, 128504, 224882, 369449, 449764, 738898, 899528, 1477796, 2586143, 2955592, 5172286, 10344572, 20689144]

約数ペア:

[(1, 20689144), (2, 10344572), (4, 5172286), (7, 2955592), (8, 2586143), (14, 1477796), (23, 899528), (28, 738898), (46, 449764), (56, 369449), (92, 224882), (161, 128504), (184, 112441), (322, 64252), (644, 32126), (1288, 16063)]