20188584568

素因数分解:

$2^3\times {\mathrm{661}}^1\times {\mathrm{3817811}}^1$

素因数の和:3818478

約数の個数: 16

約数和(自身を含む): 37910873160

約数和(自身を除く): 17722288592

約数列:

[1, 2, 4, 8, 661, 1322, 2644, 5288, 3817811, 7635622, 15271244, 30542488, 2523573071, 5047146142, 10094292284, 20188584568]

約数ペア:

[(1, 20188584568), (2, 10094292284), (4, 5047146142), (8, 2523573071), (661, 30542488), (1322, 15271244), (2644, 7635622), (5288, 3817811)]