20706564

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{40129}}^1$

素因数の和:40179

約数の個数: 24

約数和(自身を含む): 49440160

約数和(自身を除く): 28733596

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 40129, 80258, 120387, 160516, 240774, 481548, 1725547, 3451094, 5176641, 6902188, 10353282, 20706564]

約数ペア:

[(1, 20706564), (2, 10353282), (3, 6902188), (4, 5176641), (6, 3451094), (12, 1725547), (43, 481548), (86, 240774), (129, 160516), (172, 120387), (258, 80258), (516, 40129)]