20669454

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4649}}^1$

素因数の和:4689

約数の個数: 48

約数和(自身を含む): 50778000

約数和(自身を除く): 30108546

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 171, 234, 247, 342, 494, 741, 1482, 2223, 4446, 4649, 9298, 13947, 27894, 41841, 60437, 83682, 88331, 120874, 176662, 181311, 264993, 362622, 529986, 543933, 794979, 1087866, 1148303, 1589958, 2296606, 3444909, 6889818, 10334727, 20669454]

約数ペア:

[(1, 20669454), (2, 10334727), (3, 6889818), (6, 3444909), (9, 2296606), (13, 1589958), (18, 1148303), (19, 1087866), (26, 794979), (38, 543933), (39, 529986), (57, 362622), (78, 264993), (114, 181311), (117, 176662), (171, 120874), (234, 88331), (247, 83682), (342, 60437), (494, 41841), (741, 27894), (1482, 13947), (2223, 9298), (4446, 4649)]