20161712

素因数分解:

$2^4\times {\mathrm{631}}^1\times {\mathrm{1997}}^1$

素因数の和:2636

約数の個数: 20

約数和(自身を含む): 39144816

約数和(自身を除く): 18983104

約数列:

[1, 2, 4, 8, 16, 631, 1262, 1997, 2524, 3994, 5048, 7988, 10096, 15976, 31952, 1260107, 2520214, 5040428, 10080856, 20161712]

約数ペア:

[(1, 20161712), (2, 10080856), (4, 5040428), (8, 2520214), (16, 1260107), (631, 31952), (1262, 15976), (1997, 10096), (2524, 7988), (3994, 5048)]