20161250896

素因数分解:

$2^4\times {\mathrm{661}}^1\times {\mathrm{1906321}}^1$

素因数の和:1906990

約数の個数: 20

約数和(自身を含む): 39121540084

約数和(自身を除く): 18960289188

約数列:

[1, 2, 4, 8, 16, 661, 1322, 2644, 5288, 10576, 1906321, 3812642, 7625284, 15250568, 30501136, 1260078181, 2520156362, 5040312724, 10080625448, 20161250896]

約数ペア:

[(1, 20161250896), (2, 10080625448), (4, 5040312724), (8, 2520156362), (16, 1260078181), (661, 30501136), (1322, 15250568), (2644, 7625284), (5288, 3812642), (10576, 1906321)]