20209544

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{41413}}^1$

素因数の和:41480

約数の個数: 16

約数和(自身を含む): 38515020

約数和(自身を除く): 18305476

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 41413, 82826, 165652, 331304, 2526193, 5052386, 10104772, 20209544]

約数ペア:

[(1, 20209544), (2, 10104772), (4, 5052386), (8, 2526193), (61, 331304), (122, 165652), (244, 82826), (488, 41413)]