20147351

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{727}}^1$

素因数の和:878

約数の個数: 16

約数和(自身を含む): 23901696

約数和(自身を除く): 3754345

約数列:

[1, 7, 37, 107, 259, 727, 749, 3959, 5089, 26899, 27713, 77789, 188293, 544523, 2878193, 20147351]

約数ペア:

[(1, 20147351), (7, 2878193), (37, 544523), (107, 188293), (259, 77789), (727, 27713), (749, 26899), (3959, 5089)]