20587119

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{57667}}^1$

素因数の和:57694

約数の個数: 16

約数和(自身を含む): 33216768

約数和(自身を除く): 12629649

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 57667, 173001, 403669, 980339, 1211007, 2941017, 6862373, 20587119]

約数ペア:

[(1, 20587119), (3, 6862373), (7, 2941017), (17, 1211007), (21, 980339), (51, 403669), (119, 173001), (357, 57667)]