20876859

素因数分解:

$3^5\times {\mathrm{53}}^1\times {\mathrm{1621}}^1$

素因数の和:1689

約数の個数: 24

約数和(自身を含む): 31882032

約数和(自身を除く): 11005173

約数列:

[1, 3, 9, 27, 53, 81, 159, 243, 477, 1431, 1621, 4293, 4863, 12879, 14589, 43767, 85913, 131301, 257739, 393903, 773217, 2319651, 6958953, 20876859]

約数ペア:

[(1, 20876859), (3, 6958953), (9, 2319651), (27, 773217), (53, 393903), (81, 257739), (159, 131301), (243, 85913), (477, 43767), (1431, 14589), (1621, 12879), (4293, 4863)]