20999178

素因数分解:

$2^1\times 3^2\times {\mathrm{107}}^1\times {\mathrm{10903}}^1$

素因数の和:11018

約数の個数: 24

約数和(自身を含む): 45927648

約数和(自身を除く): 24928470

約数列:

[1, 2, 3, 6, 9, 18, 107, 214, 321, 642, 963, 1926, 10903, 21806, 32709, 65418, 98127, 196254, 1166621, 2333242, 3499863, 6999726, 10499589, 20999178]

約数ペア:

[(1, 20999178), (2, 10499589), (3, 6999726), (6, 3499863), (9, 2333242), (18, 1166621), (107, 196254), (214, 98127), (321, 65418), (642, 32709), (963, 21806), (1926, 10903)]