20460984

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{367}}^1$

素因数の和:500

約数の個数: 64

約数和(自身を含む): 54051840

約数和(自身を除く): 33590856

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 101, 138, 184, 202, 276, 303, 367, 404, 552, 606, 734, 808, 1101, 1212, 1468, 2202, 2323, 2424, 2936, 4404, 4646, 6969, 8441, 8808, 9292, 13938, 16882, 18584, 25323, 27876, 33764, 37067, 50646, 55752, 67528, 74134, 101292, 111201, 148268, 202584, 222402, 296536, 444804, 852541, 889608, 1705082, 2557623, 3410164, 5115246, 6820328, 10230492, 20460984]

約数ペア:

[(1, 20460984), (2, 10230492), (3, 6820328), (4, 5115246), (6, 3410164), (8, 2557623), (12, 1705082), (23, 889608), (24, 852541), (46, 444804), (69, 296536), (92, 222402), (101, 202584), (138, 148268), (184, 111201), (202, 101292), (276, 74134), (303, 67528), (367, 55752), (404, 50646), (552, 37067), (606, 33764), (734, 27876), (808, 25323), (1101, 18584), (1212, 16882), (1468, 13938), (2202, 9292), (2323, 8808), (2424, 8441), (2936, 6969), (4404, 4646)]