20490424

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{577}}^1$

素因数の和:799

約数の個数: 32

約数和(自身を含む): 40367520

約数和(自身を除く): 19877096

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 193, 386, 577, 772, 1154, 1544, 2308, 4439, 4616, 8878, 13271, 17756, 26542, 35512, 53084, 106168, 111361, 222722, 445444, 890888, 2561303, 5122606, 10245212, 20490424]

約数ペア:

[(1, 20490424), (2, 10245212), (4, 5122606), (8, 2561303), (23, 890888), (46, 445444), (92, 222722), (184, 111361), (193, 106168), (386, 53084), (577, 35512), (772, 26542), (1154, 17756), (1544, 13271), (2308, 8878), (4439, 4616)]