20091879

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{269}}^1$

素因数の和:511

約数の個数: 24

約数和(自身を含む): 29961360

約数和(自身を除く): 9869481

約数列:

[1, 3, 9, 43, 129, 193, 269, 387, 579, 807, 1737, 2421, 8299, 11567, 24897, 34701, 51917, 74691, 104103, 155751, 467253, 2232431, 6697293, 20091879]

約数ペア:

[(1, 20091879), (3, 6697293), (9, 2232431), (43, 467253), (129, 155751), (193, 104103), (269, 74691), (387, 51917), (579, 34701), (807, 24897), (1737, 11567), (2421, 8299)]