20488186

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{919}}^1$

素因数の和:1149

約数の個数: 16

約数和(自身を含む): 31397760

約数和(自身を除く): 10909574

約数列:

[1, 2, 71, 142, 157, 314, 919, 1838, 11147, 22294, 65249, 130498, 144283, 288566, 10244093, 20488186]

約数ペア:

[(1, 20488186), (2, 10244093), (71, 288566), (142, 144283), (157, 130498), (314, 65249), (919, 22294), (1838, 11147)]