20161749055

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{582457}}^1$

素因数の和:582535

約数の個数: 32

約数和(自身を含む): 29523631104

約数和(自身を除く): 9361882049

約数列:

[1, 5, 7, 23, 35, 43, 115, 161, 215, 301, 805, 989, 1505, 4945, 6923, 34615, 582457, 2912285, 4077199, 13396511, 20385995, 25045651, 66982555, 93775577, 125228255, 175319557, 468877885, 576049973, 876597785, 2880249865, 4032349811, 20161749055]

約数ペア:

[(1, 20161749055), (5, 4032349811), (7, 2880249865), (23, 876597785), (35, 576049973), (43, 468877885), (115, 175319557), (161, 125228255), (215, 93775577), (301, 66982555), (805, 25045651), (989, 20385995), (1505, 13396511), (4945, 4077199), (6923, 2912285), (34615, 582457)]