20888921365

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{188707}}^1$

素因数の和:188869

約数の個数: 24

約数和(自身を含む): 27350582688

約数和(自身を除く): 6461661323

約数列:

[1, 5, 13, 65, 131, 169, 655, 845, 1703, 8515, 22139, 110695, 188707, 943535, 2453191, 12265955, 24720617, 31891483, 123603085, 159457415, 321368021, 1606840105, 4177784273, 20888921365]

約数ペア:

[(1, 20888921365), (5, 4177784273), (13, 1606840105), (65, 321368021), (131, 159457415), (169, 123603085), (655, 31891483), (845, 24720617), (1703, 12265955), (8515, 2453191), (22139, 943535), (110695, 188707)]