20161447257

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{692191}}^1$

素因数の和:692293

約数の個数: 32

約数和(自身を含む): 32782213120

約数和(自身を除く): 12620765863

約数列:

[1, 3, 7, 19, 21, 57, 73, 133, 219, 399, 511, 1387, 1533, 4161, 9709, 29127, 692191, 2076573, 4845337, 13151629, 14536011, 39454887, 50529943, 92061403, 151589829, 276184209, 353709601, 960068917, 1061128803, 2880206751, 6720482419, 20161447257]

約数ペア:

[(1, 20161447257), (3, 6720482419), (7, 2880206751), (19, 1061128803), (21, 960068917), (57, 353709601), (73, 276184209), (133, 151589829), (219, 92061403), (399, 50529943), (511, 39454887), (1387, 14536011), (1533, 13151629), (4161, 4845337), (9709, 2076573), (29127, 692191)]