20287616

素因数分解:

$2^7\times {\mathrm{353}}^1\times {\mathrm{449}}^1$

素因数の和:816

約数の個数: 32

約数和(自身を含む): 40621500

約数和(自身を除く): 20333884

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 353, 449, 706, 898, 1412, 1796, 2824, 3592, 5648, 7184, 11296, 14368, 22592, 28736, 45184, 57472, 158497, 316994, 633988, 1267976, 2535952, 5071904, 10143808, 20287616]

約数ペア:

[(1, 20287616), (2, 10143808), (4, 5071904), (8, 2535952), (16, 1267976), (32, 633988), (64, 316994), (128, 158497), (353, 57472), (449, 45184), (706, 28736), (898, 22592), (1412, 14368), (1796, 11296), (2824, 7184), (3592, 5648)]