20888911701

素因数分解:

$3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{479}}^1\times {\mathrm{4409}}^1$

素因数の和:5058

約数の個数: 48

約数和(自身を含む): 34783257600

約数和(自身を除く): 13894345899

約数列:

[1, 3, 7, 9, 21, 63, 157, 471, 479, 1099, 1413, 1437, 3297, 3353, 4311, 4409, 9891, 10059, 13227, 30177, 30863, 39681, 75203, 92589, 225609, 277767, 526421, 676827, 692213, 1579263, 2076639, 2111911, 4737789, 4845491, 6229917, 6335733, 14536473, 14783377, 19007199, 43609419, 44350131, 133050393, 331570027, 994710081, 2320990189, 2984130243, 6962970567, 20888911701]

約数ペア:

[(1, 20888911701), (3, 6962970567), (7, 2984130243), (9, 2320990189), (21, 994710081), (63, 331570027), (157, 133050393), (471, 44350131), (479, 43609419), (1099, 19007199), (1413, 14783377), (1437, 14536473), (3297, 6335733), (3353, 6229917), (4311, 4845491), (4409, 4737789), (9891, 2111911), (10059, 2076639), (13227, 1579263), (30177, 692213), (30863, 676827), (39681, 526421), (75203, 277767), (92589, 225609)]