20558958

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{11939}}^1$

素因数の和:11992

約数の個数: 32

約数和(自身を含む): 48142080

約数和(自身を除く): 27583122

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1722, 11939, 23878, 35817, 71634, 83573, 167146, 250719, 489499, 501438, 978998, 1468497, 2936994, 3426493, 6852986, 10279479, 20558958]

約数ペア:

[(1, 20558958), (2, 10279479), (3, 6852986), (6, 3426493), (7, 2936994), (14, 1468497), (21, 978998), (41, 501438), (42, 489499), (82, 250719), (123, 167146), (246, 83573), (287, 71634), (574, 35817), (861, 23878), (1722, 11939)]