20185004

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{5503}}^1$

素因数の和:5645

約数の個数: 24

約数和(自身を含む): 40685568

約数和(自身を除く): 20500564

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 5503, 11006, 22012, 38521, 77042, 154084, 720893, 1441786, 2883572, 5046251, 10092502, 20185004]

約数ペア:

[(1, 20185004), (2, 10092502), (4, 5046251), (7, 2883572), (14, 1441786), (28, 720893), (131, 154084), (262, 77042), (524, 38521), (917, 22012), (1834, 11006), (3668, 5503)]