20775814

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1\times {\mathrm{443}}^1$

素因数の和:755

約数の個数: 16

約数和(自身を含む): 31648320

約数和(自身を除く): 10872506

約数列:

[1, 2, 131, 179, 262, 358, 443, 886, 23449, 46898, 58033, 79297, 116066, 158594, 10387907, 20775814]

約数ペア:

[(1, 20775814), (2, 10387907), (131, 158594), (179, 116066), (262, 79297), (358, 58033), (443, 46898), (886, 23449)]