20195322021

素因数分解:

$3^2\times 7^2\times {\mathrm{1433}}^1\times {\mathrm{31957}}^1$

素因数の和:33410

約数の個数: 36

約数和(自身を含む): 33958379052

約数和(自身を除く): 13763057031

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 1433, 4299, 10031, 12897, 30093, 31957, 70217, 90279, 95871, 210651, 223699, 287613, 631953, 671097, 1565893, 2013291, 4697679, 14093037, 45794381, 137383143, 320560667, 412149429, 961682001, 2243924669, 2885046003, 6731774007, 20195322021]

約数ペア:

[(1, 20195322021), (3, 6731774007), (7, 2885046003), (9, 2243924669), (21, 961682001), (49, 412149429), (63, 320560667), (147, 137383143), (441, 45794381), (1433, 14093037), (4299, 4697679), (10031, 2013291), (12897, 1565893), (30093, 671097), (31957, 631953), (70217, 287613), (90279, 223699), (95871, 210651)]