20851919439

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{82727}}^1$

素因数の和:83047

約数の個数: 32

約数和(自身を含む): 31354573824

約数和(自身を除く): 10502654385

約数列:

[1, 3, 13, 23, 39, 69, 281, 299, 843, 897, 3653, 6463, 10959, 19389, 82727, 84019, 248181, 252057, 1075451, 1902721, 3226353, 5708163, 23246287, 24735373, 69738861, 74206119, 302201731, 534664601, 906605193, 1603993803, 6950639813, 20851919439]

約数ペア:

[(1, 20851919439), (3, 6950639813), (13, 1603993803), (23, 906605193), (39, 534664601), (69, 302201731), (281, 74206119), (299, 69738861), (843, 24735373), (897, 23246287), (3653, 5708163), (6463, 3226353), (10959, 1902721), (19389, 1075451), (82727, 252057), (84019, 248181)]