20966803

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{971}}^1$

素因数の和:1146

約数の個数: 16

約数和(自身を含む): 24820992

約数和(自身を除く): 3854189

約数列:

[1, 11, 13, 143, 151, 971, 1661, 1963, 10681, 12623, 21593, 138853, 146621, 1612831, 1906073, 20966803]

約数ペア:

[(1, 20966803), (11, 1906073), (13, 1612831), (143, 146621), (151, 138853), (971, 21593), (1661, 12623), (1963, 10681)]