20989086

素因数分解:

$2^1\times 3^1\times {\mathrm{769}}^1\times {\mathrm{4549}}^1$

素因数の和:5323

約数の個数: 16

約数和(自身を含む): 42042000

約数和(自身を除く): 21052914

約数列:

[1, 2, 3, 6, 769, 1538, 2307, 4549, 4614, 9098, 13647, 27294, 3498181, 6996362, 10494543, 20989086]

約数ペア:

[(1, 20989086), (2, 10494543), (3, 6996362), (6, 3498181), (769, 27294), (1538, 13647), (2307, 9098), (4549, 4614)]