20156386

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{2153}}^1$

素因数の和:2337

約数の個数: 16

約数和(自身を含む): 31431168

約数和(自身を除く): 11274782

約数列:

[1, 2, 31, 62, 151, 302, 2153, 4306, 4681, 9362, 66743, 133486, 325103, 650206, 10078193, 20156386]

約数ペア:

[(1, 20156386), (2, 10078193), (31, 650206), (62, 325103), (151, 133486), (302, 66743), (2153, 9362), (4306, 4681)]