20590661

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11909}}^1$

素因数の和:11948

約数の個数: 16

約数和(自身を含む): 26678400

約数和(自身を除く): 6087739

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 11909, 83363, 154817, 226271, 1083719, 1583897, 2941523, 20590661]

約数ペア:

[(1, 20590661), (7, 2941523), (13, 1583897), (19, 1083719), (91, 226271), (133, 154817), (247, 83363), (1729, 11909)]