20856063906

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1418201}}^1$

素因数の和:1418271

約数の個数: 48

約数和(自身を含む): 48672692640

約数和(自身を除く): 27816628734

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 43, 57, 86, 114, 129, 171, 258, 342, 387, 774, 817, 1634, 2451, 4902, 7353, 14706, 1418201, 2836402, 4254603, 8509206, 12763809, 25527618, 26945819, 53891638, 60982643, 80837457, 121965286, 161674914, 182947929, 242512371, 365895858, 485024742, 548843787, 1097687574, 1158670217, 2317340434, 3476010651, 6952021302, 10428031953, 20856063906]

約数ペア:

[(1, 20856063906), (2, 10428031953), (3, 6952021302), (6, 3476010651), (9, 2317340434), (18, 1158670217), (19, 1097687574), (38, 548843787), (43, 485024742), (57, 365895858), (86, 242512371), (114, 182947929), (129, 161674914), (171, 121965286), (258, 80837457), (342, 60982643), (387, 53891638), (774, 26945819), (817, 25527618), (1634, 12763809), (2451, 8509206), (4902, 4254603), (7353, 2836402), (14706, 1418201)]