20808217742

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1956763}}^1$

素因数の和:1957187

約数の個数: 16

約数和(自身を含む): 33695476080

約数和(自身を除く): 12887258338

約数列:

[1, 2, 13, 26, 409, 818, 5317, 10634, 1956763, 3913526, 25437919, 50875838, 800316067, 1600632134, 10404108871, 20808217742]

約数ペア:

[(1, 20808217742), (2, 10404108871), (13, 1600632134), (26, 800316067), (409, 50875838), (818, 25437919), (5317, 3913526), (10634, 1956763)]