20814968

素因数分解:

$2^3\times {\mathrm{271}}^1\times {\mathrm{9601}}^1$

素因数の和:9878

約数の個数: 16

約数和(自身を含む): 39176160

約数和(自身を除く): 18361192

約数列:

[1, 2, 4, 8, 271, 542, 1084, 2168, 9601, 19202, 38404, 76808, 2601871, 5203742, 10407484, 20814968]

約数ペア:

[(1, 20814968), (2, 10407484), (4, 5203742), (8, 2601871), (271, 76808), (542, 38404), (1084, 19202), (2168, 9601)]