20641042

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{3821}}^1$

素因数の和:3933

約数の個数: 16

約数和(自身を含む): 32242392

約数和(自身を除く): 11601350

約数列:

[1, 2, 37, 73, 74, 146, 2701, 3821, 5402, 7642, 141377, 278933, 282754, 557866, 10320521, 20641042]

約数ペア:

[(1, 20641042), (2, 10320521), (37, 557866), (73, 282754), (74, 278933), (146, 141377), (2701, 7642), (3821, 5402)]