20385148

素因数分解:

$2^2\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1459}}^1$

素因数の和:1969

約数の個数: 24

約数和(自身を含む): 40880000

約数和(自身を除く): 20494852

約数列:

[1, 2, 4, 7, 14, 28, 499, 998, 1459, 1996, 2918, 3493, 5836, 6986, 10213, 13972, 20426, 40852, 728041, 1456082, 2912164, 5096287, 10192574, 20385148]

約数ペア:

[(1, 20385148), (2, 10192574), (4, 5096287), (7, 2912164), (14, 1456082), (28, 728041), (499, 40852), (998, 20426), (1459, 13972), (1996, 10213), (2918, 6986), (3493, 5836)]