20796625888

素因数分解:

$2^5\times {\mathrm{211}}^1\times {\mathrm{419}}^1\times {\mathrm{7351}}^1$

素因数の和:7991

約数の個数: 48

約数和(自身を含む): 41241191040

約数和(自身を除く): 20444565152

約数列:

[1, 2, 4, 8, 16, 32, 211, 419, 422, 838, 844, 1676, 1688, 3352, 3376, 6704, 6752, 7351, 13408, 14702, 29404, 58808, 88409, 117616, 176818, 235232, 353636, 707272, 1414544, 1551061, 2829088, 3080069, 3102122, 6160138, 6204244, 12320276, 12408488, 24640552, 24816976, 49281104, 49633952, 98562208, 649894559, 1299789118, 2599578236, 5199156472, 10398312944, 20796625888]

約数ペア:

[(1, 20796625888), (2, 10398312944), (4, 5199156472), (8, 2599578236), (16, 1299789118), (32, 649894559), (211, 98562208), (419, 49633952), (422, 49281104), (838, 24816976), (844, 24640552), (1676, 12408488), (1688, 12320276), (3352, 6204244), (3376, 6160138), (6704, 3102122), (6752, 3080069), (7351, 2829088), (13408, 1551061), (14702, 1414544), (29404, 707272), (58808, 353636), (88409, 235232), (117616, 176818)]