20163225887

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{64499}}^1$

素因数の和:64631

約数の個数: 32

約数和(自身を含む): 25411968000

約数和(自身を除く): 5248742113

約数列:

[1, 7, 17, 37, 71, 119, 259, 497, 629, 1207, 2627, 4403, 8449, 18389, 44659, 64499, 312613, 451493, 1096483, 2386463, 4579429, 7675381, 16705241, 32056003, 40569871, 77850293, 169438873, 283989097, 544952051, 1186072111, 2880460841, 20163225887]

約数ペア:

[(1, 20163225887), (7, 2880460841), (17, 1186072111), (37, 544952051), (71, 283989097), (119, 169438873), (259, 77850293), (497, 40569871), (629, 32056003), (1207, 16705241), (2627, 7675381), (4403, 4579429), (8449, 2386463), (18389, 1096483), (44659, 451493), (64499, 312613)]