20804956291

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{1787}}^1\times {\mathrm{72313}}^1$

素因数の和:74130

約数の個数: 16

約数和(自身を含む): 24825106944

約数和(自身を除く): 4020150653

約数列:

[1, 7, 23, 161, 1787, 12509, 41101, 72313, 287707, 506191, 1663199, 11642393, 129223331, 904563317, 2972136613, 20804956291]

約数ペア:

[(1, 20804956291), (7, 2972136613), (23, 904563317), (161, 129223331), (1787, 11642393), (12509, 1663199), (41101, 506191), (72313, 287707)]