20189798853

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{18139981}}^1$

素因数の和:18140044

約数の個数: 16

約数和(自身を含む): 31345888896

約数和(自身を除く): 11156090043

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 18139981, 54419943, 126979867, 380939601, 961418993, 2884256979, 6729932951, 20189798853]

約数ペア:

[(1, 20189798853), (3, 6729932951), (7, 2884256979), (21, 961418993), (53, 380939601), (159, 126979867), (371, 54419943), (1113, 18139981)]