20778512

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{27631}}^1$

素因数の和:27686

約数の個数: 20

約数和(自身を含む): 41116416

約数和(自身を除く): 20337904

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 27631, 55262, 110524, 221048, 442096, 1298657, 2597314, 5194628, 10389256, 20778512]

約数ペア:

[(1, 20778512), (2, 10389256), (4, 5194628), (8, 2597314), (16, 1298657), (47, 442096), (94, 221048), (188, 110524), (376, 55262), (752, 27631)]