20531252

素因数分解:

$2^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1847}}^1$

素因数の和:2255

約数の個数: 24

約数和(自身を含む): 41188224

約数和(自身を除く): 20656972

約数列:

[1, 2, 4, 7, 14, 28, 397, 794, 1588, 1847, 2779, 3694, 5558, 7388, 11116, 12929, 25858, 51716, 733259, 1466518, 2933036, 5132813, 10265626, 20531252]

約数ペア:

[(1, 20531252), (2, 10265626), (4, 5132813), (7, 2933036), (14, 1466518), (28, 733259), (397, 51716), (794, 25858), (1588, 12929), (1847, 11116), (2779, 7388), (3694, 5558)]