20689424

素因数分解:

$2^4\times 7^1\times {\mathrm{184727}}^1$

素因数の和:184742

約数の個数: 20

約数和(自身を含む): 45812544

約数和(自身を除く): 25123120

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 184727, 369454, 738908, 1293089, 1477816, 2586178, 2955632, 5172356, 10344712, 20689424]

約数ペア:

[(1, 20689424), (2, 10344712), (4, 5172356), (7, 2955632), (8, 2586178), (14, 1477816), (16, 1293089), (28, 738908), (56, 369454), (112, 184727)]