20825189

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1069}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 27323520

約数和(自身を除く): 6498331

約数列:

[1, 7, 11, 23, 77, 121, 161, 253, 847, 1069, 1771, 2783, 7483, 11759, 19481, 24587, 82313, 129349, 172109, 270457, 905443, 1893199, 2975027, 20825189]

約数ペア:

[(1, 20825189), (7, 2975027), (11, 1893199), (23, 905443), (77, 270457), (121, 172109), (161, 129349), (253, 82313), (847, 24587), (1069, 19481), (1771, 11759), (2783, 7483)]