20987016

素因数分解:

$2^3\times 3^1\times {\mathrm{874459}}^1$

素因数の和:874468

約数の個数: 16

約数和(自身を含む): 52467600

約数和(自身を除く): 31480584

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 874459, 1748918, 2623377, 3497836, 5246754, 6995672, 10493508, 20987016]

約数ペア:

[(1, 20987016), (2, 10493508), (3, 6995672), (4, 5246754), (6, 3497836), (8, 2623377), (12, 1748918), (24, 874459)]