20163949708

素因数分解:

$2^2\times 7^1\times {\mathrm{720141061}}^1$

素因数の和:720141072

約数の個数: 12

約数和(自身を含む): 40327899472

約数和(自身を除く): 20163949764

約数列:

[1, 2, 4, 7, 14, 28, 720141061, 1440282122, 2880564244, 5040987427, 10081974854, 20163949708]

約数ペア:

[(1, 20163949708), (2, 10081974854), (4, 5040987427), (7, 2880564244), (14, 1440282122), (28, 720141061)]