20079455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{12589}}^1$

素因数の和:12634

約数の個数: 16

約数和(自身を含む): 27194400

約数和(自身を除く): 7114945

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 12589, 62945, 138479, 365081, 692395, 1825405, 4015891, 20079455]

約数ペア:

[(1, 20079455), (5, 4015891), (11, 1825405), (29, 692395), (55, 365081), (145, 138479), (319, 62945), (1595, 12589)]