20575336

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{18503}}^1$

素因数の和:18648

約数の個数: 16

約数和(自身を含む): 38858400

約数和(自身を除く): 18283064

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 18503, 37006, 74012, 148024, 2571917, 5143834, 10287668, 20575336]

約数ペア:

[(1, 20575336), (2, 10287668), (4, 5143834), (8, 2571917), (139, 148024), (278, 74012), (556, 37006), (1112, 18503)]