20200976

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{26863}}^1$

素因数の和:26918

約数の個数: 20

約数和(自身を含む): 39973632

約数和(自身を除く): 19772656

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 26863, 53726, 107452, 214904, 429808, 1262561, 2525122, 5050244, 10100488, 20200976]

約数ペア:

[(1, 20200976), (2, 10100488), (4, 5050244), (8, 2525122), (16, 1262561), (47, 429808), (94, 214904), (188, 107452), (376, 53726), (752, 26863)]