20395024

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3163}}^1$

素因数の和:3215

約数の個数: 40

約数和(自身を含む): 43941632

約数和(自身を除く): 23546608

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3163, 3224, 6326, 6448, 12652, 25304, 41119, 50608, 82238, 98053, 164476, 196106, 328952, 392212, 657904, 784424, 1274689, 1568848, 2549378, 5098756, 10197512, 20395024]

約数ペア:

[(1, 20395024), (2, 10197512), (4, 5098756), (8, 2549378), (13, 1568848), (16, 1274689), (26, 784424), (31, 657904), (52, 392212), (62, 328952), (104, 196106), (124, 164476), (208, 98053), (248, 82238), (403, 50608), (496, 41119), (806, 25304), (1612, 12652), (3163, 6448), (3224, 6326)]