201793220

素因数分解:

$2^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{10391}}^1$

素因数の和:11371

約数の個数: 24

約数和(自身を含む): 424243008

約数和(自身を除く): 222449788

約数列:

[1, 2, 4, 5, 10, 20, 971, 1942, 3884, 4855, 9710, 10391, 19420, 20782, 41564, 51955, 103910, 207820, 10089661, 20179322, 40358644, 50448305, 100896610, 201793220]

約数ペア:

[(1, 201793220), (2, 100896610), (4, 50448305), (5, 40358644), (10, 20179322), (20, 10089661), (971, 207820), (1942, 103910), (3884, 51955), (4855, 41564), (9710, 20782), (10391, 19420)]