20523097

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 27129600

約数和(自身を除く): 6606503

約数列:

[1, 7, 17, 19, 29, 119, 133, 203, 313, 323, 493, 551, 2191, 2261, 3451, 3857, 5321, 5947, 9077, 9367, 37247, 41629, 63539, 65569, 101099, 154309, 172463, 707693, 1080163, 1207241, 2931871, 20523097]

約数ペア:

[(1, 20523097), (7, 2931871), (17, 1207241), (19, 1080163), (29, 707693), (119, 172463), (133, 154309), (203, 101099), (313, 65569), (323, 63539), (493, 41629), (551, 37247), (2191, 9367), (2261, 9077), (3451, 5947), (3857, 5321)]