20823891

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{4817}}^1$

素因数の和:4962

約数の個数: 16

約数和(自身を含む): 30526848

約数和(自身を除く): 9702957

約数列:

[1, 3, 11, 33, 131, 393, 1441, 4323, 4817, 14451, 52987, 158961, 631027, 1893081, 6941297, 20823891]

約数ペア:

[(1, 20823891), (3, 6941297), (11, 1893081), (33, 631027), (131, 158961), (393, 52987), (1441, 14451), (4323, 4817)]