20897338

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{135697}}^1$

素因数の和:135717

約数の個数: 16

約数和(自身を含む): 39081024

約数和(自身を除く): 18183686

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 135697, 271394, 949879, 1492667, 1899758, 2985334, 10448669, 20897338]

約数ペア:

[(1, 20897338), (2, 10448669), (7, 2985334), (11, 1899758), (14, 1492667), (22, 949879), (77, 271394), (154, 135697)]