20660216

素因数分解:

$2^3\times {\mathrm{661}}^1\times {\mathrm{3907}}^1$

素因数の和:4574

約数の個数: 16

約数和(自身を含む): 38806440

約数和(自身を除く): 18146224

約数列:

[1, 2, 4, 8, 661, 1322, 2644, 3907, 5288, 7814, 15628, 31256, 2582527, 5165054, 10330108, 20660216]

約数ペア:

[(1, 20660216), (2, 10330108), (4, 5165054), (8, 2582527), (661, 31256), (1322, 15628), (2644, 7814), (3907, 5288)]