20121247133

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1380721}}^1$

素因数の和:1380812

約数の個数: 16

約数和(自身を含む): 23196129600

約数和(自身を除く): 3074882467

約数列:

[1, 13, 19, 59, 247, 767, 1121, 14573, 1380721, 17949373, 26233699, 81462539, 341038087, 1059013007, 1547788241, 20121247133]

約数ペア:

[(1, 20121247133), (13, 1547788241), (19, 1059013007), (59, 341038087), (247, 81462539), (767, 26233699), (1121, 17949373), (14573, 1380721)]