20105283

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{8581}}^1$

素因数の和:8666

約数の個数: 16

約数和(自身を含む): 29659392

約数和(自身を除く): 9554109

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 8581, 25743, 94391, 283173, 609251, 1827753, 6701761, 20105283]

約数ペア:

[(1, 20105283), (3, 6701761), (11, 1827753), (33, 609251), (71, 283173), (213, 94391), (781, 25743), (2343, 8581)]