20256201

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6841}}^1$

素因数の和:6901

約数の個数: 24

約数和(自身を含む): 34155264

約数和(自身を除く): 13899063

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 6841, 20523, 47887, 61569, 143661, 321527, 430983, 964581, 2250689, 2893743, 6752067, 20256201]

約数ペア:

[(1, 20256201), (3, 6752067), (7, 2893743), (9, 2250689), (21, 964581), (47, 430983), (63, 321527), (141, 143661), (329, 61569), (423, 47887), (987, 20523), (2961, 6841)]