20078064621

素因数分解:

$3^4\times {\mathrm{173}}^1\times {\mathrm{673}}^1\times {\mathrm{2129}}^1$

素因数の和:2987

約数の個数: 40

約数和(自身を含む): 30225543480

約数和(自身を除く): 10147478859

約数列:

[1, 3, 9, 27, 81, 173, 519, 673, 1557, 2019, 2129, 4671, 6057, 6387, 14013, 18171, 19161, 54513, 57483, 116429, 172449, 349287, 368317, 1047861, 1104951, 1432817, 3143583, 3314853, 4298451, 9430749, 9944559, 12895353, 29833677, 38686059, 116058177, 247877341, 743632023, 2230896069, 6692688207, 20078064621]

約数ペア:

[(1, 20078064621), (3, 6692688207), (9, 2230896069), (27, 743632023), (81, 247877341), (173, 116058177), (519, 38686059), (673, 29833677), (1557, 12895353), (2019, 9944559), (2129, 9430749), (4671, 4298451), (6057, 3314853), (6387, 3143583), (14013, 1432817), (18171, 1104951), (19161, 1047861), (54513, 368317), (57483, 349287), (116429, 172449)]