20897442

素因数分解:

$2^1\times 3^2\times {\mathrm{739}}^1\times {\mathrm{1571}}^1$

素因数の和:2318

約数の個数: 24

約数和(自身を含む): 45367920

約数和(自身を除く): 24470478

約数列:

[1, 2, 3, 6, 9, 18, 739, 1478, 1571, 2217, 3142, 4434, 4713, 6651, 9426, 13302, 14139, 28278, 1160969, 2321938, 3482907, 6965814, 10448721, 20897442]

約数ペア:

[(1, 20897442), (2, 10448721), (3, 6965814), (6, 3482907), (9, 2321938), (18, 1160969), (739, 28278), (1478, 14139), (1571, 13302), (2217, 9426), (3142, 6651), (4434, 4713)]