20173863087

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{169339}}^1$

素因数の和:169444

約数の個数: 48

約数和(自身を含む): 34940938240

約数和(自身を除く): 14767075153

約数列:

[1, 3, 7, 9, 21, 31, 61, 63, 93, 183, 217, 279, 427, 549, 651, 1281, 1891, 1953, 3843, 5673, 13237, 17019, 39711, 119133, 169339, 508017, 1185373, 1524051, 3556119, 5249509, 10329679, 10668357, 15748527, 30989037, 36746563, 47245581, 72307753, 92967111, 110239689, 216923259, 320220049, 330719067, 650769777, 960660147, 2241540343, 2881980441, 6724621029, 20173863087]

約数ペア:

[(1, 20173863087), (3, 6724621029), (7, 2881980441), (9, 2241540343), (21, 960660147), (31, 650769777), (61, 330719067), (63, 320220049), (93, 216923259), (183, 110239689), (217, 92967111), (279, 72307753), (427, 47245581), (549, 36746563), (651, 30989037), (1281, 15748527), (1891, 10668357), (1953, 10329679), (3843, 5249509), (5673, 3556119), (13237, 1524051), (17019, 1185373), (39711, 508017), (119133, 169339)]