20211286

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1\times {\mathrm{449}}^1$

素因数の和:839

約数の個数: 16

約数和(自身を含む): 30909600

約数和(自身を除く): 10698314

約数列:

[1, 2, 71, 142, 317, 449, 634, 898, 22507, 31879, 45014, 63758, 142333, 284666, 10105643, 20211286]

約数ペア:

[(1, 20211286), (2, 10105643), (71, 284666), (142, 142333), (317, 63758), (449, 45014), (634, 31879), (898, 22507)]