20201103716

素因数分解:

$2^2\times {\mathrm{199}}^2\times {\mathrm{127529}}^1$

素因数の和:127931

約数の個数: 18

約数和(自身を含む): 35530750710

約数和(自身を除く): 15329646994

約数列:

[1, 2, 4, 199, 398, 796, 39601, 79202, 127529, 158404, 255058, 510116, 25378271, 50756542, 101513084, 5050275929, 10100551858, 20201103716]

約数ペア:

[(1, 20201103716), (2, 10100551858), (4, 5050275929), (199, 101513084), (398, 50756542), (796, 25378271), (39601, 510116), (79202, 255058), (127529, 158404)]