20659938

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{264871}}^1$

素因数の和:264889

約数の個数: 16

約数和(自身を含む): 44498496

約数和(自身を除く): 23838558

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 264871, 529742, 794613, 1589226, 3443323, 6886646, 10329969, 20659938]

約数ペア:

[(1, 20659938), (2, 10329969), (3, 6886646), (6, 3443323), (13, 1589226), (26, 794613), (39, 529742), (78, 264871)]