20077040

素因数分解:

$2^4\times 5^1\times {\mathrm{250963}}^1$

素因数の和:250976

約数の個数: 20

約数和(自身を含む): 46679304

約数和(自身を除く): 26602264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 250963, 501926, 1003852, 1254815, 2007704, 2509630, 4015408, 5019260, 10038520, 20077040]

約数ペア:

[(1, 20077040), (2, 10038520), (4, 5019260), (5, 4015408), (8, 2509630), (10, 2007704), (16, 1254815), (20, 1003852), (40, 501926), (80, 250963)]