20081383

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{359}}^1$

素因数の和:558

約数の個数: 16

約数和(自身を含む): 23569920

約数和(自身を除く): 3488537

約数列:

[1, 7, 61, 131, 359, 427, 917, 2513, 7991, 21899, 47029, 55937, 153293, 329203, 2868769, 20081383]

約数ペア:

[(1, 20081383), (7, 2868769), (61, 329203), (131, 153293), (359, 55937), (427, 47029), (917, 21899), (2513, 7991)]