20659793

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3779}}^1$

素因数の和:3868

約数の個数: 16

約数和(自身を含む): 26127360

約数和(自身を除く): 5467567

約数列:

[1, 7, 11, 71, 77, 497, 781, 3779, 5467, 26453, 41569, 268309, 290983, 1878163, 2951399, 20659793]

約数ペア:

[(1, 20659793), (7, 2951399), (11, 1878163), (71, 290983), (77, 268309), (497, 41569), (781, 26453), (3779, 5467)]