20173979287

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{870431}}^1$

素因数の和:870499

約数の個数: 24

約数和(自身を含む): 26196521472

約数和(自身を除く): 6022542185

約数列:

[1, 7, 11, 43, 49, 77, 301, 473, 539, 2107, 3311, 23177, 870431, 6093017, 9574741, 37428533, 42651119, 67023187, 261999731, 411713863, 469162309, 1833998117, 2881997041, 20173979287]

約数ペア:

[(1, 20173979287), (7, 2881997041), (11, 1833998117), (43, 469162309), (49, 411713863), (77, 261999731), (301, 67023187), (473, 42651119), (539, 37428533), (2107, 9574741), (3311, 6093017), (23177, 870431)]