20996821329

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{233}}^1\times {\mathrm{859}}^1$

素因数の和:1151

約数の個数: 72

約数和(自身を含む): 32867321760

約数和(自身を除く): 11870500431

約数列:

[1, 3, 11, 17, 33, 51, 121, 187, 233, 289, 363, 561, 699, 859, 867, 2057, 2563, 2577, 3179, 3961, 6171, 7689, 9449, 9537, 11883, 14603, 28193, 28347, 34969, 43571, 43809, 67337, 84579, 103939, 104907, 130713, 160633, 200147, 202011, 248251, 311817, 479281, 481899, 600441, 740707, 744753, 1437843, 1766963, 2201617, 2222121, 2730761, 3402499, 5300889, 6604851, 8147777, 8192283, 10207497, 24217787, 24443331, 30038371, 37427489, 57842483, 72653361, 90115113, 112282467, 173527449, 411702379, 636267313, 1235107137, 1908801939, 6998940443, 20996821329]

約数ペア:

[(1, 20996821329), (3, 6998940443), (11, 1908801939), (17, 1235107137), (33, 636267313), (51, 411702379), (121, 173527449), (187, 112282467), (233, 90115113), (289, 72653361), (363, 57842483), (561, 37427489), (699, 30038371), (859, 24443331), (867, 24217787), (2057, 10207497), (2563, 8192283), (2577, 8147777), (3179, 6604851), (3961, 5300889), (6171, 3402499), (7689, 2730761), (9449, 2222121), (9537, 2201617), (11883, 1766963), (14603, 1437843), (28193, 744753), (28347, 740707), (34969, 600441), (43571, 481899), (43809, 479281), (67337, 311817), (84579, 248251), (103939, 202011), (104907, 200147), (130713, 160633)]