20708595

素因数分解:

$3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{727}}^1$

素因数の和:952

約数の個数: 32

約数和(自身を含む): 37040640

約数和(自身を除く): 16332045

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 211, 633, 727, 1055, 1899, 2181, 3165, 3635, 5697, 6543, 9495, 10905, 19629, 28485, 32715, 98145, 153397, 460191, 766985, 1380573, 2300955, 4141719, 6902865, 20708595]

約数ペア:

[(1, 20708595), (3, 6902865), (5, 4141719), (9, 2300955), (15, 1380573), (27, 766985), (45, 460191), (135, 153397), (211, 98145), (633, 32715), (727, 28485), (1055, 19629), (1899, 10905), (2181, 9495), (3165, 6543), (3635, 5697)]