20812594

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{30517}}^1$

素因数の和:30561

約数の個数: 16

約数和(自身を含む): 35156736

約数和(自身を除く): 14344142

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 30517, 61034, 335687, 671374, 946027, 1892054, 10406297, 20812594]

約数ペア:

[(1, 20812594), (2, 10406297), (11, 1892054), (22, 946027), (31, 671374), (62, 335687), (341, 61034), (682, 30517)]