20675889

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2897}}^1$

素因数の和:2977

約数の個数: 24

約数和(自身を含む): 32701032

約数和(自身を除く): 12025143

約数列:

[1, 3, 9, 13, 39, 61, 117, 183, 549, 793, 2379, 2897, 7137, 8691, 26073, 37661, 112983, 176717, 338949, 530151, 1590453, 2297321, 6891963, 20675889]

約数ペア:

[(1, 20675889), (3, 6891963), (9, 2297321), (13, 1590453), (39, 530151), (61, 338949), (117, 176717), (183, 112983), (549, 37661), (793, 26073), (2379, 8691), (2897, 7137)]