20481448

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{15149}}^1$

素因数の和:15181

約数の個数: 24

約数和(自身を含む): 41586750

約数和(自身を除く): 21105302

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 15149, 30298, 60596, 121192, 196937, 393874, 787748, 1575496, 2560181, 5120362, 10240724, 20481448]

約数ペア:

[(1, 20481448), (2, 10240724), (4, 5120362), (8, 2560181), (13, 1575496), (26, 787748), (52, 393874), (104, 196937), (169, 121192), (338, 60596), (676, 30298), (1352, 15149)]