20007953

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{823}}^1$

素因数の和:1004

約数の個数: 16

約数和(自身を含む): 24047616

約数和(自身を除く): 4039663

約数列:

[1, 7, 23, 151, 161, 823, 1057, 3473, 5761, 18929, 24311, 124273, 132503, 869911, 2858279, 20007953]

約数ペア:

[(1, 20007953), (7, 2858279), (23, 869911), (151, 132503), (161, 124273), (823, 24311), (1057, 18929), (3473, 5761)]