20128216

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{35437}}^1$

素因数の和:35514

約数の個数: 16

約数和(自身を含む): 38273040

約数和(自身を除く): 18144824

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 35437, 70874, 141748, 283496, 2516027, 5032054, 10064108, 20128216]

約数ペア:

[(1, 20128216), (2, 10064108), (4, 5032054), (8, 2516027), (71, 283496), (142, 141748), (284, 70874), (568, 35437)]