20558889

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{883}}^1$

素因数の和:1101

約数の個数: 24

約数和(自身を含む): 32177600

約数和(自身を除く): 11618711

約数列:

[1, 3, 9, 13, 39, 117, 199, 597, 883, 1791, 2587, 2649, 7761, 7947, 11479, 23283, 34437, 103311, 175717, 527151, 1581453, 2284321, 6852963, 20558889]

約数ペア:

[(1, 20558889), (3, 6852963), (9, 2284321), (13, 1581453), (39, 527151), (117, 175717), (199, 103311), (597, 34437), (883, 23283), (1791, 11479), (2587, 7947), (2649, 7761)]