20943365

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{3359}}^1$

素因数の和:3436

約数の個数: 16

約数和(自身を含む): 26611200

約数和(自身を除く): 5667835

約数列:

[1, 5, 29, 43, 145, 215, 1247, 3359, 6235, 16795, 97411, 144437, 487055, 722185, 4188673, 20943365]

約数ペア:

[(1, 20943365), (5, 4188673), (29, 722185), (43, 487055), (145, 144437), (215, 97411), (1247, 16795), (3359, 6235)]