20783940002

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{87327479}}^1$

素因数の和:87327505

約数の個数: 16

約数和(自身を含む): 37725471360

約数和(自身を除く): 16941531358

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 87327479, 174654958, 611292353, 1222584706, 1484567143, 2969134286, 10391970001, 20783940002]

約数ペア:

[(1, 20783940002), (2, 10391970001), (7, 2969134286), (14, 1484567143), (17, 1222584706), (34, 611292353), (119, 174654958), (238, 87327479)]