20817495865

素因数分解:

$5^1\times {\mathrm{29}}^2\times {\mathrm{919}}^1\times {\mathrm{5387}}^1$

素因数の和:6369

約数の個数: 24

約数和(自身を含む): 25905072960

約数和(自身を除く): 5087577095

約数列:

[1, 5, 29, 145, 841, 919, 4205, 4595, 5387, 26651, 26935, 133255, 156223, 772879, 781115, 3864395, 4530467, 4950653, 22652335, 24753265, 143568937, 717844685, 4163499173, 20817495865]

約数ペア:

[(1, 20817495865), (5, 4163499173), (29, 717844685), (145, 143568937), (841, 24753265), (919, 22652335), (4205, 4950653), (4595, 4530467), (5387, 3864395), (26651, 781115), (26935, 772879), (133255, 156223)]