20791569806

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{409}}^1\times {\mathrm{1279}}^1$

素因数の和:1881

約数の個数: 64

約数和(自身を含む): 38087884800

約数和(自身を除く): 17296314994

約数列:

[1, 2, 7, 14, 17, 34, 119, 167, 238, 334, 409, 818, 1169, 1279, 2338, 2558, 2839, 2863, 5678, 5726, 6953, 8953, 13906, 17906, 19873, 21743, 39746, 43486, 48671, 68303, 97342, 136606, 152201, 213593, 304402, 427186, 478121, 523111, 956242, 1046222, 1161151, 1495151, 2322302, 2990302, 3631081, 3661777, 7262162, 7323554, 8128057, 8892887, 16256114, 17785774, 25417567, 50835134, 62250209, 87359537, 124500418, 174719074, 611516759, 1223033518, 1485112129, 2970224258, 10395784903, 20791569806]

約数ペア:

[(1, 20791569806), (2, 10395784903), (7, 2970224258), (14, 1485112129), (17, 1223033518), (34, 611516759), (119, 174719074), (167, 124500418), (238, 87359537), (334, 62250209), (409, 50835134), (818, 25417567), (1169, 17785774), (1279, 16256114), (2338, 8892887), (2558, 8128057), (2839, 7323554), (2863, 7262162), (5678, 3661777), (5726, 3631081), (6953, 2990302), (8953, 2322302), (13906, 1495151), (17906, 1161151), (19873, 1046222), (21743, 956242), (39746, 523111), (43486, 478121), (48671, 427186), (68303, 304402), (97342, 213593), (136606, 152201)]