20395341

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{479}}^1$

素因数の和:590

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 11860659

約数列:

[1, 3, 9, 19, 27, 57, 83, 171, 249, 479, 513, 747, 1437, 1577, 2241, 4311, 4731, 9101, 12933, 14193, 27303, 39757, 42579, 81909, 119271, 245727, 357813, 755383, 1073439, 2266149, 6798447, 20395341]

約数ペア:

[(1, 20395341), (3, 6798447), (9, 2266149), (19, 1073439), (27, 755383), (57, 357813), (83, 245727), (171, 119271), (249, 81909), (479, 42579), (513, 39757), (747, 27303), (1437, 14193), (1577, 12933), (2241, 9101), (4311, 4731)]