20665086

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{11519}}^1$

素因数の和:11560

約数の個数: 32

約数和(自身を含む): 46448640

約数和(自身を除く): 25783554

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 11519, 23038, 34557, 69114, 149747, 264937, 299494, 449241, 529874, 794811, 898482, 1589622, 3444181, 6888362, 10332543, 20665086]

約数ペア:

[(1, 20665086), (2, 10332543), (3, 6888362), (6, 3444181), (13, 1589622), (23, 898482), (26, 794811), (39, 529874), (46, 449241), (69, 299494), (78, 264937), (138, 149747), (299, 69114), (598, 34557), (897, 23038), (1794, 11519)]