20515568

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{14407}}^1$

素因数の和:14504

約数の個数: 20

約数和(自身を含む): 40198320

約数和(自身を除く): 19682752

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 14407, 28814, 57628, 115256, 230512, 1282223, 2564446, 5128892, 10257784, 20515568]

約数ペア:

[(1, 20515568), (2, 10257784), (4, 5128892), (8, 2564446), (16, 1282223), (89, 230512), (178, 115256), (356, 57628), (712, 28814), (1424, 14407)]