20956942

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{937}}^1$

素因数の和:1203

約数の個数: 16

約数和(自身を含む): 32214672

約数和(自身を除く): 11257730

約数列:

[1, 2, 53, 106, 211, 422, 937, 1874, 11183, 22366, 49661, 99322, 197707, 395414, 10478471, 20956942]

約数ペア:

[(1, 20956942), (2, 10478471), (53, 395414), (106, 197707), (211, 99322), (422, 49661), (937, 22366), (1874, 11183)]