20078824

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{80963}}^1$

素因数の和:81000

約数の個数: 16

約数和(自身を含む): 38862720

約数和(自身を除く): 18783896

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 80963, 161926, 323852, 647704, 2509853, 5019706, 10039412, 20078824]

約数ペア:

[(1, 20078824), (2, 10039412), (4, 5019706), (8, 2509853), (31, 647704), (62, 323852), (124, 161926), (248, 80963)]