20381757

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{8699}}^1$

素因数の和:8784

約数の個数: 16

約数和(自身を含む): 30067200

約数和(自身を除く): 9685443

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 8699, 26097, 95689, 287067, 617629, 1852887, 6793919, 20381757]

約数ペア:

[(1, 20381757), (3, 6793919), (11, 1852887), (33, 617629), (71, 287067), (213, 95689), (781, 26097), (2343, 8699)]