20309504

素因数分解:

$2^9\times {\mathrm{39667}}^1$

素因数の和:39685

約数の個数: 20

約数和(自身を含む): 40580364

約数和(自身を除く): 20270860

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 39667, 79334, 158668, 317336, 634672, 1269344, 2538688, 5077376, 10154752, 20309504]

約数ペア:

[(1, 20309504), (2, 10154752), (4, 5077376), (8, 2538688), (16, 1269344), (32, 634672), (64, 317336), (128, 158668), (256, 79334), (512, 39667)]