20543278

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{63799}}^1$

素因数の和:63831

約数の個数: 16

約数和(自身を含む): 36748800

約数和(自身を除く): 16205522

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 63799, 127598, 446593, 893186, 1467377, 2934754, 10271639, 20543278]

約数ペア:

[(1, 20543278), (2, 10271639), (7, 2934754), (14, 1467377), (23, 893186), (46, 446593), (161, 127598), (322, 63799)]