20707952

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{31567}}^1$

素因数の和:31616

約数の個数: 20

約数和(自身を含む): 41101536

約数和(自身を除く): 20393584

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 31567, 63134, 126268, 252536, 505072, 1294247, 2588494, 5176988, 10353976, 20707952]

約数ペア:

[(1, 20707952), (2, 10353976), (4, 5176988), (8, 2588494), (16, 1294247), (41, 505072), (82, 252536), (164, 126268), (328, 63134), (656, 31567)]