20683852

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{5639}}^1$

素因数の和:5781

約数の個数: 24

約数和(自身を含む): 41690880

約数和(自身を除く): 21007028

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 5639, 11278, 22556, 39473, 78946, 157892, 738709, 1477418, 2954836, 5170963, 10341926, 20683852]

約数ペア:

[(1, 20683852), (2, 10341926), (4, 5170963), (7, 2954836), (14, 1477418), (28, 738709), (131, 157892), (262, 78946), (524, 39473), (917, 22556), (1834, 11278), (3668, 5639)]