20107353

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 32060160

約数和(自身を除く): 11952807

約数列:

[1, 3, 7, 21, 29, 87, 137, 203, 241, 411, 609, 723, 959, 1687, 2877, 3973, 5061, 6989, 11919, 20967, 27811, 33017, 48923, 83433, 99051, 146769, 231119, 693357, 957493, 2872479, 6702451, 20107353]

約数ペア:

[(1, 20107353), (3, 6702451), (7, 2872479), (21, 957493), (29, 693357), (87, 231119), (137, 146769), (203, 99051), (241, 83433), (411, 48923), (609, 33017), (723, 27811), (959, 20967), (1687, 11919), (2877, 6989), (3973, 5061)]