20287036

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{65867}}^1$

素因数の和:65889

約数の個数: 24

約数和(自身を含む): 44263296

約数和(自身を除く): 23976260

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 65867, 131734, 263468, 461069, 724537, 922138, 1449074, 1844276, 2898148, 5071759, 10143518, 20287036]

約数ペア:

[(1, 20287036), (2, 10143518), (4, 5071759), (7, 2898148), (11, 1844276), (14, 1449074), (22, 922138), (28, 724537), (44, 461069), (77, 263468), (154, 131734), (308, 65867)]