20512323

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{881}}^1$

素因数の和:1099

約数の個数: 24

約数和(自身を含む): 32104800

約数和(自身を除く): 11592477

約数列:

[1, 3, 9, 13, 39, 117, 199, 597, 881, 1791, 2587, 2643, 7761, 7929, 11453, 23283, 34359, 103077, 175319, 525957, 1577871, 2279147, 6837441, 20512323]

約数ペア:

[(1, 20512323), (3, 6837441), (9, 2279147), (13, 1577871), (39, 525957), (117, 175319), (199, 103077), (597, 34359), (881, 23283), (1791, 11453), (2587, 7929), (2643, 7761)]