20206768

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30803}}^1$

素因数の和:30852

約数の個数: 20

約数和(自身を含む): 40106808

約数和(自身を除く): 19900040

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30803, 61606, 123212, 246424, 492848, 1262923, 2525846, 5051692, 10103384, 20206768]

約数ペア:

[(1, 20206768), (2, 10103384), (4, 5051692), (8, 2525846), (16, 1262923), (41, 492848), (82, 246424), (164, 123212), (328, 61606), (656, 30803)]