20509863

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{56501}}^1$

素因数の和:56526

約数の個数: 12

約数和(自身を含む): 30059064

約数和(自身を除く): 9549201

約数列:

[1, 3, 11, 33, 121, 363, 56501, 169503, 621511, 1864533, 6836621, 20509863]

約数ペア:

[(1, 20509863), (3, 6836621), (11, 1864533), (33, 621511), (121, 169503), (363, 56501)]