20925867

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{2789}}^1$

素因数の和:2894

約数の個数: 16

約数和(自身を含む): 29060640

約数和(自身を除く): 8134773

約数列:

[1, 3, 41, 61, 123, 183, 2501, 2789, 7503, 8367, 114349, 170129, 343047, 510387, 6975289, 20925867]

約数ペア:

[(1, 20925867), (3, 6975289), (41, 510387), (61, 343047), (123, 170129), (183, 114349), (2501, 8367), (2789, 7503)]