20530288

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{75479}}^1$

素因数の和:75504

約数の個数: 20

約数和(自身を含む): 42117840

約数和(自身を除く): 21587552

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 75479, 150958, 301916, 603832, 1207664, 1283143, 2566286, 5132572, 10265144, 20530288]

約数ペア:

[(1, 20530288), (2, 10265144), (4, 5132572), (8, 2566286), (16, 1283143), (17, 1207664), (34, 603832), (68, 301916), (136, 150958), (272, 75479)]