20931282

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{27043}}^1$

素因数の和:27094

約数の個数: 24

約数和(自身を含む): 46407504

約数和(自身を除く): 25476222

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 27043, 54086, 81129, 162258, 243387, 486774, 1162849, 2325698, 3488547, 6977094, 10465641, 20931282]

約数ペア:

[(1, 20931282), (2, 10465641), (3, 6977094), (6, 3488547), (9, 2325698), (18, 1162849), (43, 486774), (86, 243387), (129, 162258), (258, 81129), (387, 54086), (774, 27043)]