20154155

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30307}}^1$

素因数の和:30338

約数の個数: 16

約数和(自身を含む): 29095680

約数和(自身を除く): 8941525

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 30307, 151535, 212149, 575833, 1060745, 2879165, 4030831, 20154155]

約数ペア:

[(1, 20154155), (5, 4030831), (7, 2879165), (19, 1060745), (35, 575833), (95, 212149), (133, 151535), (665, 30307)]