20041680344

素因数分解:

$2^3\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1392557}}^1$

素因数の和:1392827

約数の個数: 32

約数和(自身を含む): 43113595680

約数和(自身を除く): 23071915336

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 257, 514, 1028, 1799, 2056, 3598, 7196, 14392, 1392557, 2785114, 5570228, 9747899, 11140456, 19495798, 38991596, 77983192, 357887149, 715774298, 1431548596, 2505210043, 2863097192, 5010420086, 10020840172, 20041680344]

約数ペア:

[(1, 20041680344), (2, 10020840172), (4, 5010420086), (7, 2863097192), (8, 2505210043), (14, 1431548596), (28, 715774298), (56, 357887149), (257, 77983192), (514, 38991596), (1028, 19495798), (1799, 11140456), (2056, 9747899), (3598, 5570228), (7196, 2785114), (14392, 1392557)]