20641482

素因数分解:

$2^1\times 3^2\times {\mathrm{641}}^1\times {\mathrm{1789}}^1$

素因数の和:2438

約数の個数: 24

約数和(自身を含む): 44818020

約数和(自身を除く): 24176538

約数列:

[1, 2, 3, 6, 9, 18, 641, 1282, 1789, 1923, 3578, 3846, 5367, 5769, 10734, 11538, 16101, 32202, 1146749, 2293498, 3440247, 6880494, 10320741, 20641482]

約数ペア:

[(1, 20641482), (2, 10320741), (3, 6880494), (6, 3440247), (9, 2293498), (18, 1146749), (641, 32202), (1282, 16101), (1789, 11538), (1923, 10734), (3578, 5769), (3846, 5367)]