20517232

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{75431}}^1$

素因数の和:75456

約数の個数: 20

約数和(自身を含む): 42091056

約数和(自身を除く): 21573824

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 75431, 150862, 301724, 603448, 1206896, 1282327, 2564654, 5129308, 10258616, 20517232]

約数ペア:

[(1, 20517232), (2, 10258616), (4, 5129308), (8, 2564654), (16, 1282327), (17, 1206896), (34, 603448), (68, 301724), (136, 150862), (272, 75431)]