20864732

素因数分解:

$2^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1877}}^1$

素因数の和:2285

約数の個数: 24

約数和(自身を含む): 41856864

約数和(自身を除く): 20992132

約数列:

[1, 2, 4, 7, 14, 28, 397, 794, 1588, 1877, 2779, 3754, 5558, 7508, 11116, 13139, 26278, 52556, 745169, 1490338, 2980676, 5216183, 10432366, 20864732]

約数ペア:

[(1, 20864732), (2, 10432366), (4, 5216183), (7, 2980676), (14, 1490338), (28, 745169), (397, 52556), (794, 26278), (1588, 13139), (1877, 11116), (2779, 7508), (3754, 5558)]