20905242

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{26597}}^1$

素因数の和:26733

約数の個数: 16

約数和(自身を含む): 42131232

約数和(自身を除く): 21225990

約数列:

[1, 2, 3, 6, 131, 262, 393, 786, 26597, 53194, 79791, 159582, 3484207, 6968414, 10452621, 20905242]

約数ペア:

[(1, 20905242), (2, 10452621), (3, 6968414), (6, 3484207), (131, 159582), (262, 79791), (393, 53194), (786, 26597)]