20798036

素因数分解:

$2^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1871}}^1$

素因数の和:2279

約数の個数: 24

約数和(自身を含む): 41723136

約数和(自身を除く): 20925100

約数列:

[1, 2, 4, 7, 14, 28, 397, 794, 1588, 1871, 2779, 3742, 5558, 7484, 11116, 13097, 26194, 52388, 742787, 1485574, 2971148, 5199509, 10399018, 20798036]

約数ペア:

[(1, 20798036), (2, 10399018), (4, 5199509), (7, 2971148), (14, 1485574), (28, 742787), (397, 52388), (794, 26194), (1588, 13097), (1871, 11116), (2779, 7484), (3742, 5558)]