20170497580

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2465831}}^1$

素因数の和:2466249

約数の個数: 24

約数和(自身を含む): 42461627040

約数和(自身を除く): 22291129460

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 2465831, 4931662, 9863324, 12329155, 24658310, 49316620, 1008524879, 2017049758, 4034099516, 5042624395, 10085248790, 20170497580]

約数ペア:

[(1, 20170497580), (2, 10085248790), (4, 5042624395), (5, 4034099516), (10, 2017049758), (20, 1008524879), (409, 49316620), (818, 24658310), (1636, 12329155), (2045, 9863324), (4090, 4931662), (8180, 2465831)]