20267149

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1583}}^1$

素因数の和:1680

約数の個数: 16

約数和(自身を含む): 24330240

約数和(自身を除く): 4063091

約数列:

[1, 7, 31, 59, 217, 413, 1583, 1829, 11081, 12803, 49073, 93397, 343511, 653779, 2895307, 20267149]

約数ペア:

[(1, 20267149), (7, 2895307), (31, 653779), (59, 343511), (217, 93397), (413, 49073), (1583, 12803), (1829, 11081)]