20625976

素因数分解:

$2^3\times 7^1\times {\mathrm{439}}^1\times {\mathrm{839}}^1$

素因数の和:1291

約数の個数: 32

約数和(自身を含む): 44352000

約数和(自身を除く): 23726024

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 439, 839, 878, 1678, 1756, 3073, 3356, 3512, 5873, 6146, 6712, 11746, 12292, 23492, 24584, 46984, 368321, 736642, 1473284, 2578247, 2946568, 5156494, 10312988, 20625976]

約数ペア:

[(1, 20625976), (2, 10312988), (4, 5156494), (7, 2946568), (8, 2578247), (14, 1473284), (28, 736642), (56, 368321), (439, 46984), (839, 24584), (878, 23492), (1678, 12292), (1756, 11746), (3073, 6712), (3356, 6146), (3512, 5873)]