20216368

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{9949}}^1$

素因数の和:10084

約数の個数: 20

約数和(自身を含む): 39481600

約数和(自身を除く): 19265232

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 9949, 19898, 39796, 79592, 159184, 1263523, 2527046, 5054092, 10108184, 20216368]

約数ペア:

[(1, 20216368), (2, 10108184), (4, 5054092), (8, 2527046), (16, 1263523), (127, 159184), (254, 79592), (508, 39796), (1016, 19898), (2032, 9949)]