20861454

素因数分解:

$2^1\times 3^1\times {\mathrm{409}}^1\times {\mathrm{8501}}^1$

素因数の和:8915

約数の個数: 16

約数和(自身を含む): 41829840

約数和(自身を除く): 20968386

約数列:

[1, 2, 3, 6, 409, 818, 1227, 2454, 8501, 17002, 25503, 51006, 3476909, 6953818, 10430727, 20861454]

約数ペア:

[(1, 20861454), (2, 10430727), (3, 6953818), (6, 3476909), (409, 51006), (818, 25503), (1227, 17002), (2454, 8501)]