20534607

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{769}}^1$

素因数の和:844

約数の個数: 32

約数和(自身を含む): 32524800

約数和(自身を除く): 11990193

約数列:

[1, 3, 9, 23, 27, 43, 69, 129, 207, 387, 621, 769, 989, 1161, 2307, 2967, 6921, 8901, 17687, 20763, 26703, 33067, 53061, 99201, 159183, 297603, 477549, 760541, 892809, 2281623, 6844869, 20534607]

約数ペア:

[(1, 20534607), (3, 6844869), (9, 2281623), (23, 892809), (27, 760541), (43, 477549), (69, 297603), (129, 159183), (207, 99201), (387, 53061), (621, 33067), (769, 26703), (989, 20763), (1161, 17687), (2307, 8901), (2967, 6921)]