20960881

素因数分解:

${\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:165

約数の個数: 24

約数和(自身を含む): 23982840

約数和(自身を除く): 3021959

約数列:

[1, 17, 29, 41, 61, 289, 493, 697, 1037, 1189, 1769, 2501, 8381, 11849, 17629, 20213, 30073, 42517, 72529, 343621, 511241, 722789, 1232993, 20960881]

約数ペア:

[(1, 20960881), (17, 1232993), (29, 722789), (41, 511241), (61, 343621), (289, 72529), (493, 42517), (697, 30073), (1037, 20213), (1189, 17629), (1769, 11849), (2501, 8381)]