20680216

素因数分解:

$2^3\times {\mathrm{263}}^1\times {\mathrm{9829}}^1$

素因数の和:10098

約数の個数: 16

約数和(自身を含む): 38926800

約数和(自身を除く): 18246584

約数列:

[1, 2, 4, 8, 263, 526, 1052, 2104, 9829, 19658, 39316, 78632, 2585027, 5170054, 10340108, 20680216]

約数ペア:

[(1, 20680216), (2, 10340108), (4, 5170054), (8, 2585027), (263, 78632), (526, 39316), (1052, 19658), (2104, 9829)]