20454538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{2903}}^1$

素因数の和:3189

約数の個数: 16

約数和(自身を含む): 33175296

約数和(自身を除く): 12720758

約数列:

[1, 2, 13, 26, 271, 542, 2903, 3523, 5806, 7046, 37739, 75478, 786713, 1573426, 10227269, 20454538]

約数ペア:

[(1, 20454538), (2, 10227269), (13, 1573426), (26, 786713), (271, 75478), (542, 37739), (2903, 7046), (3523, 5806)]