20868903

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{761}}^1$

素因数の和:1055

約数の個数: 24

約数和(自身を含む): 33046416

約数和(自身を除く): 12177513

約数列:

[1, 3, 9, 11, 33, 99, 277, 761, 831, 2283, 2493, 3047, 6849, 8371, 9141, 25113, 27423, 75339, 210797, 632391, 1897173, 2318767, 6956301, 20868903]

約数ペア:

[(1, 20868903), (3, 6956301), (9, 2318767), (11, 1897173), (33, 632391), (99, 210797), (277, 75339), (761, 27423), (831, 25113), (2283, 9141), (2493, 8371), (3047, 6849)]