2019920464

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{1778099}}^1$

素因数の和:1778178

約数の個数: 20

約数和(自身を含む): 3968719200

約数和(自身を除く): 1948798736

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 1778099, 3556198, 7112396, 14224792, 28449584, 126245029, 252490058, 504980116, 1009960232, 2019920464]

約数ペア:

[(1, 2019920464), (2, 1009960232), (4, 504980116), (8, 252490058), (16, 126245029), (71, 28449584), (142, 14224792), (284, 7112396), (568, 3556198), (1136, 1778099)]