20237147

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{21737}}^1$

素因数の和:21770

約数の個数: 12

約数和(自身を含む): 24781320

約数和(自身を除く): 4544173

約数列:

[1, 7, 19, 49, 133, 931, 21737, 152159, 413003, 1065113, 2891021, 20237147]

約数ペア:

[(1, 20237147), (7, 2891021), (19, 1065113), (49, 413003), (133, 152159), (931, 21737)]