20081584

素因数分解:

$2^4\times {\mathrm{347}}^1\times {\mathrm{3617}}^1$

素因数の和:3972

約数の個数: 20

約数和(自身を含む): 39030984

約数和(自身を除く): 18949400

約数列:

[1, 2, 4, 8, 16, 347, 694, 1388, 2776, 3617, 5552, 7234, 14468, 28936, 57872, 1255099, 2510198, 5020396, 10040792, 20081584]

約数ペア:

[(1, 20081584), (2, 10040792), (4, 5020396), (8, 2510198), (16, 1255099), (347, 57872), (694, 28936), (1388, 14468), (2776, 7234), (3617, 5552)]