20488138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{7109}}^1$

素因数の和:7253

約数の個数: 16

約数和(自身を含む): 33786720

約数和(自身を除く): 13298582

約数列:

[1, 2, 11, 22, 131, 262, 1441, 2882, 7109, 14218, 78199, 156398, 931279, 1862558, 10244069, 20488138]

約数ペア:

[(1, 20488138), (2, 10244069), (11, 1862558), (22, 931279), (131, 156398), (262, 78199), (1441, 14218), (2882, 7109)]