20731006

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{2179}}^1$

素因数の和:2319

約数の個数: 16

約数和(自身を含む): 32019840

約数和(自身を除く): 11288834

約数列:

[1, 2, 67, 71, 134, 142, 2179, 4358, 4757, 9514, 145993, 154709, 291986, 309418, 10365503, 20731006]

約数ペア:

[(1, 20731006), (2, 10365503), (67, 309418), (71, 291986), (134, 154709), (142, 145993), (2179, 9514), (4358, 4757)]