20511829

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^2\times {\mathrm{313}}^1$

素因数の和:468

約数の個数: 12

約数和(自身を含む): 22476748

約数和(自身を除く): 1964919

約数列:

[1, 13, 71, 313, 923, 4069, 5041, 22223, 65533, 288899, 1577833, 20511829]

約数ペア:

[(1, 20511829), (13, 1577833), (71, 288899), (313, 65533), (923, 22223), (4069, 5041)]