20654004

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{245881}}^1$

素因数の和:245895

約数の個数: 24

約数和(自身を含む): 55077568

約数和(自身を除く): 34423564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 245881, 491762, 737643, 983524, 1475286, 1721167, 2950572, 3442334, 5163501, 6884668, 10327002, 20654004]

約数ペア:

[(1, 20654004), (2, 10327002), (3, 6884668), (4, 5163501), (6, 3442334), (7, 2950572), (12, 1721167), (14, 1475286), (21, 983524), (28, 737643), (42, 491762), (84, 245881)]