20172066971

素因数分解:

$7^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{1279}}^1$

素因数の和:1683

約数の個数: 32

約数和(自身を含む): 23608688640

約数和(自身を除く): 3436621669

約数列:

[1, 7, 113, 127, 157, 791, 889, 1099, 1279, 8953, 14351, 17741, 19939, 100457, 124187, 139573, 144527, 162433, 200803, 1011689, 1137031, 1405621, 2253107, 15771749, 18354929, 22690739, 25501981, 128484503, 158835173, 178513867, 2881723853, 20172066971]

約数ペア:

[(1, 20172066971), (7, 2881723853), (113, 178513867), (127, 158835173), (157, 128484503), (791, 25501981), (889, 22690739), (1099, 18354929), (1279, 15771749), (8953, 2253107), (14351, 1405621), (17741, 1137031), (19939, 1011689), (100457, 200803), (124187, 162433), (139573, 144527)]