20156164977

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{307817}}^1$

素因数の和:307929

約数の個数: 32

約数和(自身を含む): 30614347008

約数和(自身を除く): 10458182031

約数列:

[1, 3, 13, 23, 39, 69, 73, 219, 299, 897, 949, 1679, 2847, 5037, 21827, 65481, 307817, 923451, 4001621, 7079791, 12004863, 21239373, 22470641, 67411923, 92037283, 276111849, 292118333, 516824743, 876354999, 1550474229, 6718721659, 20156164977]

約数ペア:

[(1, 20156164977), (3, 6718721659), (13, 1550474229), (23, 876354999), (39, 516824743), (69, 292118333), (73, 276111849), (219, 92037283), (299, 67411923), (897, 22470641), (949, 21239373), (1679, 12004863), (2847, 7079791), (5037, 4001621), (21827, 923451), (65481, 307817)]