20201153

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{463}}^1$

素因数の和:764

約数の個数: 16

約数和(自身を含む): 24231936

約数和(自身を除く): 4030783

約数列:

[1, 7, 23, 161, 271, 463, 1897, 3241, 6233, 10649, 43631, 74543, 125473, 878311, 2885879, 20201153]

約数ペア:

[(1, 20201153), (7, 2885879), (23, 878311), (161, 125473), (271, 74543), (463, 43631), (1897, 10649), (3241, 6233)]