20687284

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:535

約数の個数: 24

約数和(自身を含む): 36850688

約数和(自身を除く): 16163404

約数列:

[1, 2, 4, 127, 193, 211, 254, 386, 422, 508, 772, 844, 24511, 26797, 40723, 49022, 53594, 81446, 98044, 107188, 162892, 5171821, 10343642, 20687284]

約数ペア:

[(1, 20687284), (2, 10343642), (4, 5171821), (127, 162892), (193, 107188), (211, 98044), (254, 81446), (386, 53594), (422, 49022), (508, 40723), (772, 26797), (844, 24511)]