20964153

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{32203}}^1$

素因数の和:32244

約数の個数: 16

約数和(自身を含む): 32976896

約数和(自身を除く): 12012743

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 32203, 96609, 225421, 676263, 998293, 2994879, 6988051, 20964153]

約数ペア:

[(1, 20964153), (3, 6988051), (7, 2994879), (21, 998293), (31, 676263), (93, 225421), (217, 96609), (651, 32203)]