20525197

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1789}}^1$

素因数の和:1956

約数の個数: 16

約数和(自身を含む): 25776000

約数和(自身を除く): 5250803

約数列:

[1, 7, 11, 77, 149, 1043, 1639, 1789, 11473, 12523, 19679, 137753, 266561, 1865927, 2932171, 20525197]

約数ペア:

[(1, 20525197), (7, 2932171), (11, 1865927), (77, 266561), (149, 137753), (1043, 19679), (1639, 12523), (1789, 11473)]