20340687

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{809}}^1$

素因数の和:875

約数の個数: 24

約数和(自身を含む): 29840400

約数和(自身を除く): 9499713

約数列:

[1, 3, 17, 29, 51, 87, 289, 493, 809, 867, 1479, 2427, 8381, 13753, 23461, 25143, 41259, 70383, 233801, 398837, 701403, 1196511, 6780229, 20340687]

約数ペア:

[(1, 20340687), (3, 6780229), (17, 1196511), (29, 701403), (51, 398837), (87, 233801), (289, 70383), (493, 41259), (809, 25143), (867, 23461), (1479, 13753), (2427, 8381)]