20448976

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{4973}}^1$

素因数の和:5238

約数の個数: 20

約数和(自身を含む): 39782052

約数和(自身を除く): 19333076

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 4973, 9946, 19892, 39784, 79568, 1278061, 2556122, 5112244, 10224488, 20448976]

約数ペア:

[(1, 20448976), (2, 10224488), (4, 5112244), (8, 2556122), (16, 1278061), (257, 79568), (514, 39784), (1028, 19892), (2056, 9946), (4112, 4973)]