20161129220

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{3639193}}^1$

素因数の和:3639479

約数の個数: 24

約数和(自身を含む): 42491229144

約数和(自身を除く): 22330099924

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 5540, 3639193, 7278386, 14556772, 18195965, 36391930, 72783860, 1008056461, 2016112922, 4032225844, 5040282305, 10080564610, 20161129220]

約数ペア:

[(1, 20161129220), (2, 10080564610), (4, 5040282305), (5, 4032225844), (10, 2016112922), (20, 1008056461), (277, 72783860), (554, 36391930), (1108, 18195965), (1385, 14556772), (2770, 7278386), (5540, 3639193)]