20705097

素因数分解:

$3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{1697}}^1$

素因数の和:1797

約数の個数: 24

約数和(自身を含む): 32520096

約数和(自身を除く): 11814999

約数列:

[1, 3, 7, 21, 49, 83, 147, 249, 581, 1697, 1743, 4067, 5091, 11879, 12201, 35637, 83153, 140851, 249459, 422553, 985957, 2957871, 6901699, 20705097]

約数ペア:

[(1, 20705097), (3, 6901699), (7, 2957871), (21, 985957), (49, 422553), (83, 249459), (147, 140851), (249, 83153), (581, 35637), (1697, 12201), (1743, 11879), (4067, 5091)]