20519497

素因数分解:

${\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:288

約数の個数: 16

約数和(自身を含む): 21866112

約数和(自身を除く): 1346615

約数列:

[1, 37, 71, 73, 107, 2627, 2701, 3959, 5183, 7597, 7811, 191771, 281089, 289007, 554581, 20519497]

約数ペア:

[(1, 20519497), (37, 554581), (71, 289007), (73, 281089), (107, 191771), (2627, 7811), (2701, 7597), (3959, 5183)]