20131887

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{641}}^1$

素因数の和:711

約数の個数: 24

約数和(自身を含む): 29352240

約数和(自身を除く): 9220353

約数列:

[1, 3, 19, 29, 57, 87, 361, 551, 641, 1083, 1653, 1923, 10469, 12179, 18589, 31407, 36537, 55767, 231401, 353191, 694203, 1059573, 6710629, 20131887]

約数ペア:

[(1, 20131887), (3, 6710629), (19, 1059573), (29, 694203), (57, 353191), (87, 231401), (361, 55767), (551, 36537), (641, 31407), (1083, 18589), (1653, 12179), (1923, 10469)]