20770127

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:203

約数の個数: 24

約数和(自身を含む): 25482240

約数和(自身を除く): 4712113

約数列:

[1, 7, 23, 71, 79, 161, 497, 529, 553, 1633, 1817, 3703, 5609, 11431, 12719, 37559, 39263, 41791, 129007, 262913, 292537, 903049, 2967161, 20770127]

約数ペア:

[(1, 20770127), (7, 2967161), (23, 903049), (71, 292537), (79, 262913), (161, 129007), (497, 41791), (529, 39263), (553, 37559), (1633, 12719), (1817, 11431), (3703, 5609)]