12724420

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{3331}}^1$

素因数の和:3531

約数の個数: 24

約数和(自身を含む): 26869248

約数和(自身を除く): 14144828

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3331, 3820, 6662, 13324, 16655, 33310, 66620, 636221, 1272442, 2544884, 3181105, 6362210, 12724420]

約数ペア:

[(1, 12724420), (2, 6362210), (4, 3181105), (5, 2544884), (10, 1272442), (20, 636221), (191, 66620), (382, 33310), (764, 16655), (955, 13324), (1910, 6662), (3331, 3820)]