20909508

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{42499}}^1$

素因数の和:42547

約数の個数: 24

約数和(自身を含む): 49980000

約数和(自身を除く): 29070492

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 42499, 84998, 127497, 169996, 254994, 509988, 1742459, 3484918, 5227377, 6969836, 10454754, 20909508]

約数ペア:

[(1, 20909508), (2, 10454754), (3, 6969836), (4, 5227377), (6, 3484918), (12, 1742459), (41, 509988), (82, 254994), (123, 169996), (164, 127497), (246, 84998), (492, 42499)]