20791001

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3803}}^1$

素因数の和:3892

約数の個数: 16

約数和(自身を含む): 26293248

約数和(自身を除く): 5502247

約数列:

[1, 7, 11, 71, 77, 497, 781, 3803, 5467, 26621, 41833, 270013, 292831, 1890091, 2970143, 20791001]

約数ペア:

[(1, 20791001), (7, 2970143), (11, 1890091), (71, 292831), (77, 270013), (497, 41833), (781, 26621), (3803, 5467)]