20403462680

素因数分解:

$2^3\times 5^1\times {\mathrm{510086567}}^1$

素因数の和:510086578

約数の個数: 16

約数和(自身を含む): 45907791120

約数和(自身を除く): 25504328440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 510086567, 1020173134, 2040346268, 2550432835, 4080692536, 5100865670, 10201731340, 20403462680]

約数ペア:

[(1, 20403462680), (2, 10201731340), (4, 5100865670), (5, 4080692536), (8, 2550432835), (10, 2040346268), (20, 1020173134), (40, 510086567)]