20410294

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{12491}}^1$

素因数の和:12555

約数の個数: 16

約数和(自身を含む): 32978880

約数和(自身を除く): 12568586

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 12491, 24982, 237329, 474658, 537113, 1074226, 10205147, 20410294]

約数ペア:

[(1, 20410294), (2, 10205147), (19, 1074226), (38, 537113), (43, 474658), (86, 237329), (817, 24982), (1634, 12491)]