20365784

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{19433}}^1$

素因数の和:19570

約数の個数: 16

約数和(自身を含む): 38479320

約数和(自身を除く): 18113536

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 19433, 38866, 77732, 155464, 2545723, 5091446, 10182892, 20365784]

約数ペア:

[(1, 20365784), (2, 10182892), (4, 5091446), (8, 2545723), (131, 155464), (262, 77732), (524, 38866), (1048, 19433)]